78036252 has 24 divisors (see below), whose sum is σ = 208096896. Its totient is φ = 22296048.

The previous prime is 78036241. The next prime is 78036253. The reversal of 78036252 is 25263087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78036253) 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, 464418 + ... + 464585.

It is an arithmetic number, because the mean of its divisors is an integer number (8670704).

Almost surely, 2^78036252 is an apocalyptic number.

It is an amenable number.

78036252 is an abundant number, since it is smaller than the sum of its proper divisors (130060644).

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

78036252 is a wasteful number, since it uses less digits than its factorization.

78036252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929017 (or 929015 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 78036252 is about 8833.8129932663. The cubic root of 78036252 is about 427.3320512605.

The spelling of 78036252 in words is "seventy-eight million, thirty-six thousand, two hundred fifty-two".