78103752 has 16 divisors (see below), whose sum is σ = 195259440. Its totient is φ = 26034576.

The previous prime is 78103733. The next prime is 78103759. The reversal of 78103752 is 25730187.

It is a super-2 number, since 2×78103752² = 12200392152955008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78103759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627138 + ... + 1627185.

It is an arithmetic number, because the mean of its divisors is an integer number (12203715).

Almost surely, 2^78103752 is an apocalyptic number.

It is an amenable number.

78103752 is an abundant number, since it is smaller than the sum of its proper divisors (117155688).

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

78103752 is a wasteful number, since it uses less digits than its factorization.

78103752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254332 (or 3254328 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 78103752 is about 8837.6327147036. The cubic root of 78103752 is about 427.4552273483.

The spelling of 78103752 in words is "seventy-eight million, one hundred three thousand, seven hundred fifty-two".