3731620968 has 64 divisors (see below), whose sum is σ = 10377960000. Its totient is φ = 1242392256.

The previous prime is 3731620961. The next prime is 3731620973. The reversal of 3731620968 is 8690261373.

3731620968 is a `hidden beast` number, since 373 + 16 + 209 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (3731620961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179583 + ... + 199281.

It is an arithmetic number, because the mean of its divisors is an integer number (162155625).

Almost surely, 2^3731620968 is an apocalyptic number.

It is an amenable number.

3731620968 is an abundant number, since it is smaller than the sum of its proper divisors (6646339032).

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

3731620968 is a wasteful number, since it uses less digits than its factorization.

3731620968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20591 (or 20581 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 3731620968 is about 61086.9950807862. The cubic root of 3731620968 is about 1551.0739650984.

The spelling of 3731620968 in words is "three billion, seven hundred thirty-one million, six hundred twenty thousand, nine hundred sixty-eight".