78359532 has 24 divisors (see below), whose sum is σ = 183212400. Its totient is φ = 26066496.

The previous prime is 78359527. The next prime is 78359539. The reversal of 78359532 is 23595387.

It is a super-2 number, since 2×78359532² = 12280432510518048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78359539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307 + ... + 12522.

It is an arithmetic number, because the mean of its divisors is an integer number (7633850).

Almost surely, 2^78359532 is an apocalyptic number.

It is an amenable number.

78359532 is an abundant number, since it is smaller than the sum of its proper divisors (104852868).

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

78359532 is a wasteful number, since it uses less digits than its factorization.

78359532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13345 (or 13343 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 78359532 is about 8852.0919561423. The cubic root of 78359532 is about 427.9213396654.

The spelling of 78359532 in words is "seventy-eight million, three hundred fifty-nine thousand, five hundred thirty-two".