78412652 has 24 divisors (see below), whose sum is σ = 142203600. Its totient is φ = 37808576.

The previous prime is 78412637. The next prime is 78412667. The reversal of 78412652 is 25621487.

It is an interprime number because it is at equal distance from previous prime (78412637) and next prime (78412667).

It is a super-2 number, since 2×78412652² = 12297087987346208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9374 + ... + 15642.

It is an arithmetic number, because the mean of its divisors is an integer number (5925150).

Almost surely, 2^78412652 is an apocalyptic number.

It is an amenable number.

78412652 is a deficient number, since it is larger than the sum of its proper divisors (63790948).

78412652 is a wasteful number, since it uses less digits than its factorization.

78412652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6385 (or 6383 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 78412652 is about 8855.0918685240. The cubic root of 78412652 is about 428.0180139156.

The spelling of 78412652 in words is "seventy-eight million, four hundred twelve thousand, six hundred fifty-two".