78707374 has 16 divisors (see below), whose sum is σ = 119869200. Its totient is φ = 38755584.

The previous prime is 78707371. The next prime is 78707383. The reversal of 78707374 is 47370787.

It is a self number, because there is not a number n which added to its sum of digits gives 78707374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78707371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38014 + ... + 40030.

It is an arithmetic number, because the mean of its divisors is an integer number (7491825).

Almost surely, 2^78707374 is an apocalyptic number.

78707374 is a deficient number, since it is larger than the sum of its proper divisors (41161826).

78707374 is a wasteful number, since it uses less digits than its factorization.

78707374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307.

The product of its (nonzero) digits is 230496, while the sum is 43.

The square root of 78707374 is about 8871.7176465440. The cubic root of 78707374 is about 428.5535933424.

Subtracting from 78707374 its sum of digits (43), we obtain a triangular number (78707331 = T₁₂₅₄₆).

The spelling of 78707374 in words is "seventy-eight million, seven hundred seven thousand, three hundred seventy-four".