78614652 has 24 divisors (see below), whose sum is σ = 184464000. Its totient is φ = 26057776.

The previous prime is 78614639. The next prime is 78614659. The reversal of 78614652 is 25641687.

It is a super-2 number, since 2×78614652² = 12360527018162208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78614652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78614659) 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, 16152 + ... + 20447.

It is an arithmetic number, because the mean of its divisors is an integer number (7686000).

Almost surely, 2^78614652 is an apocalyptic number.

It is an amenable number.

78614652 is an abundant number, since it is smaller than the sum of its proper divisors (105849348).

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

78614652 is a wasteful number, since it uses less digits than its factorization.

78614652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36785 (or 36783 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 78614652 is about 8866.4903992504. The cubic root of 78614652 is about 428.3852399493.

The spelling of 78614652 in words is "seventy-eight million, six hundred fourteen thousand, six hundred fifty-two".