78433274 has 16 divisors (see below), whose sum is σ = 126328896. Its totient is φ = 36388800.

The previous prime is 78433261. The next prime is 78433301. The reversal of 78433274 is 47233487.

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, 13832 + ... + 18659.

It is an arithmetic number, because the mean of its divisors is an integer number (7895556).

Almost surely, 2^78433274 is an apocalyptic number.

78433274 is a deficient number, since it is larger than the sum of its proper divisors (47895622).

78433274 is a wasteful number, since it uses less digits than its factorization.

78433274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32581.

The product of its digits is 112896, while the sum is 38.

The square root of 78433274 is about 8856.2562067727. The cubic root of 78433274 is about 428.0555325795.

The spelling of 78433274 in words is "seventy-eight million, four hundred thirty-three thousand, two hundred seventy-four".