78230524 has 12 divisors (see below), whose sum is σ = 144109000. Its totient is φ = 37056528.

The previous prime is 78230507. The next prime is 78230561. The reversal of 78230524 is 42503287.

It is a super-2 number, since 2×78230524² = 12240029770629152, which contains 22 as substring.

It is a congruent number.

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, 514599 + ... + 514750.

Almost surely, 2^78230524 is an apocalyptic number.

It is an amenable number.

78230524 is a deficient number, since it is larger than the sum of its proper divisors (65878476).

78230524 is a wasteful number, since it uses less digits than its factorization.

78230524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029372 (or 1029370 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 78230524 is about 8844.8020893630. The cubic root of 78230524 is about 427.6863731445.

The spelling of 78230524 in words is "seventy-eight million, two hundred thirty thousand, five hundred twenty-four".