78530022 has 24 divisors (see below), whose sum is σ = 170370720. Its totient is φ = 26142480.

The previous prime is 78530017. The next prime is 78530033. The reversal of 78530022 is 22003587.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14004 + ... + 18792.

It is an arithmetic number, because the mean of its divisors is an integer number (7098780).

Almost surely, 2^78530022 is an apocalyptic number.

78530022 is an abundant number, since it is smaller than the sum of its proper divisors (91840698).

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

78530022 is a wasteful number, since it uses less digits than its factorization.

78530022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5708 (or 5705 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 78530022 is about 8861.7166508527. The cubic root of 78530022 is about 428.2314634409.

The spelling of 78530022 in words is "seventy-eight million, five hundred thirty thousand, twenty-two".