747696337920 has 352 divisors, whose sum is σ = 3036778540800. Its totient is φ = 170901798912.

The previous prime is 747696337919. The next prime is 747696337943. The reversal of 747696337920 is 29733696747.

747696337920 is a `hidden beast` number, since 7 + 476 + 96 + 3 + 3 + 79 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 581346 + ... + 1354014.

Almost surely, 2^747696337920 is an apocalyptic number.

747696337920 is a gapful number since it is divisible by the number (70) 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 747696337920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1518389270400).

747696337920 is an abundant number, since it is smaller than the sum of its proper divisors (2289082202880).

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

747696337920 is a wasteful number, since it uses less digits than its factorization.

747696337920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772710 (or 772686 counting only the distinct ones).

The product of its (nonzero) digits is 72013536, while the sum is 63.

The spelling of 747696337920 in words is "seven hundred forty-seven billion, six hundred ninety-six million, three hundred thirty-seven thousand, nine hundred twenty".