7901220032 has 14 divisors (see below), whose sum is σ = 15678983628. Its totient is φ = 3950609984.

The previous prime is 7901220031. The next prime is 7901220083. The reversal of 7901220032 is 2300221097.

It is a junction number, because it is equal to n+sod(n) for n = 7901219983 and 7901220010.

It is not an unprimeable number, because it can be changed into a prime (7901220031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61728218 + ... + 61728345.

It is an arithmetic number, because the mean of its divisors is an integer number (1119927402).

Almost surely, 2^7901220032 is an apocalyptic number.

It is an amenable number.

7901220032 is a deficient number, since it is larger than the sum of its proper divisors (7777763596).

7901220032 is a wasteful number, since it uses less digits than its factorization.

7901220032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123456575 (or 123456565 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 7901220032 is about 88888.8071244068. The cubic root of 7901220032 is about 1991.7342215150.

The spelling of 7901220032 in words is "seven billion, nine hundred one million, two hundred twenty thousand, thirty-two".