3620473920 has 336 divisors, whose sum is σ = 14538521088. Its totient is φ = 809717760.

The previous prime is 3620473903. The next prime is 3620473943. The reversal of 3620473920 is 293740263.

It is a happy number.

3620473920 is a `hidden beast` number, since 3 + 620 + 4 + 7 + 3 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 945610 + ... + 949430.

It is an arithmetic number, because the mean of its divisors is an integer number (43269408).

Almost surely, 2^3620473920 is an apocalyptic number.

3620473920 is a gapful number since it is divisible by the number (30) 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 3620473920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7269260544).

3620473920 is an abundant number, since it is smaller than the sum of its proper divisors (10918047168).

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

3620473920 is a wasteful number, since it uses less digits than its factorization.

3620473920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898 (or 3885 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 3620473920 is about 60170.3741055347. The cubic root of 3620473920 is about 1535.5188108602.

The spelling of 3620473920 in words is "three billion, six hundred twenty million, four hundred seventy-three thousand, nine hundred twenty".