78522632 has 16 divisors (see below), whose sum is σ = 147335760. Its totient is φ = 39233104.

The previous prime is 78522607. The next prime is 78522641. The reversal of 78522632 is 23622587.

It is a junction number, because it is equal to n+sod(n) for n = 78522592 and 78522601.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12683 + ... + 17829.

It is an arithmetic number, because the mean of its divisors is an integer number (9208485).

Almost surely, 2^78522632 is an apocalyptic number.

It is an amenable number.

78522632 is a deficient number, since it is larger than the sum of its proper divisors (68813128).

78522632 is a wasteful number, since it uses less digits than its factorization.

78522632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7060 (or 7056 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 78522632 is about 8861.2996789410. The cubic root of 78522632 is about 428.2180302353.

The spelling of 78522632 in words is "seventy-eight million, five hundred twenty-two thousand, six hundred thirty-two".