78026052 has 24 divisors (see below), whose sum is σ = 196065856. Its totient is φ = 24007968.

The previous prime is 78026041. The next prime is 78026057. The reversal of 78026052 is 25062087.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (78026057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249928 + ... + 250239.

Almost surely, 2^78026052 is an apocalyptic number.

It is an amenable number.

78026052 is an abundant number, since it is smaller than the sum of its proper divisors (118039804).

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

78026052 is a wasteful number, since it uses less digits than its factorization.

78026052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500187 (or 500185 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 78026052 is about 8833.2356472586. The cubic root of 78026052 is about 427.3134318081.

The spelling of 78026052 in words is "seventy-eight million, twenty-six thousand, fifty-two".