3272497920 has 216 divisors, whose sum is σ = 11484843552. Its totient is φ = 860160000.

The previous prime is 3272497901. The next prime is 3272497931. The reversal of 3272497920 is 297942723.

3272497920 is a `hidden beast` number, since 3 + 2 + 72 + 497 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 815920 + ... + 819920.

It is an arithmetic number, because the mean of its divisors is an integer number (53170572).

Almost surely, 2^3272497920 is an apocalyptic number.

3272497920 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 3272497920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5742421776).

3272497920 is an abundant number, since it is smaller than the sum of its proper divisors (8212345632).

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

3272497920 is a wasteful number, since it uses less digits than its factorization.

3272497920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099 (or 4082 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 3272497920 is about 57205.7507598668. The cubic root of 3272497920 is about 1484.6581262456.

The spelling of 3272497920 in words is "three billion, two hundred seventy-two million, four hundred ninety-seven thousand, nine hundred twenty".