78679034 has 32 divisors (see below), whose sum is σ = 139138560. Its totient is φ = 32669568.

The previous prime is 78679033. The next prime is 78679061. The reversal of 78679034 is 43097687.

It is not an unprimeable number, because it can be changed into a prime (78679033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71174 + ... + 72270.

It is an arithmetic number, because the mean of its divisors is an integer number (4348080).

Almost surely, 2^78679034 is an apocalyptic number.

78679034 is a deficient number, since it is larger than the sum of its proper divisors (60459526).

78679034 is a wasteful number, since it uses less digits than its factorization.

78679034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 78679034 is about 8870.1202923072. The cubic root of 78679034 is about 428.5021510349.

The spelling of 78679034 in words is "seventy-eight million, six hundred seventy-nine thousand, thirty-four".