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47373472699920 = 24335431634916373

47373472699920 has 640 divisors, whose sum is σ = 168362986936320. Its totient is φ = 12236540037120.

The previous prime is 47373472699909. The next prime is 47373472699939. The reversal of 47373472699920 is 2999627437374.

47373472699920 is a `hidden beast` number, since 4 + 7 + 3 + 7 + 3 + 472 + 69 + 9 + 92 + 0 = 666.

It is a Cunningham number, because it is equal to 68828392-1.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7433461854 + ... + 7433468226.

It is an arithmetic number, because the mean of its divisors is an integer number (263067167088).

Almost surely, 247373472699920 is an apocalyptic number.

47373472699920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47373472699920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84181493468160).

47373472699920 is an abundant number, since it is smaller than the sum of its proper divisors (120989514236400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47373472699920 is a wasteful number, since it uses less digits than its factorization.

47373472699920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7092 (or 7080 counting only the distinct ones).

The product of its (nonzero) digits is 864162432, while the sum is 72.

The spelling of 47373472699920 in words is "forty-seven trillion, three hundred seventy-three billion, four hundred seventy-two million, six hundred ninety-nine thousand, nine hundred twenty".