7932672240 has 80 divisors (see below), whose sum is σ = 24603508608. Its totient is φ = 2114327808.

The previous prime is 7932672217. The next prime is 7932672257. The reversal of 7932672240 is 422762397.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7932672192 and 7932672201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556239 + ... + 570321.

Almost surely, 2^7932672240 is an apocalyptic number.

It is an amenable number.

7932672240 is an abundant number, since it is smaller than the sum of its proper divisors (16670836368).

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

7932672240 is a wasteful number, since it uses less digits than its factorization.

7932672240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16446 (or 16440 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 7932672240 is about 89065.5502425040. The cubic root of 7932672240 is about 1994.3735396484.

The spelling of 7932672240 in words is "seven billion, nine hundred thirty-two million, six hundred seventy-two thousand, two hundred forty".