78745014 has 32 divisors (see below), whose sum is σ = 175342080. Its totient is φ = 26195400.

The previous prime is 78744983. The next prime is 78745021. The reversal of 78745014 is 41054787.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 78745014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32919 + ... + 35229.

It is an arithmetic number, because the mean of its divisors is an integer number (5479440).

Almost surely, 2^78745014 is an apocalyptic number.

78745014 is an abundant number, since it is smaller than the sum of its proper divisors (96597066).

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

78745014 is a wasteful number, since it uses less digits than its factorization.

78745014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953 (or 2947 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 78745014 is about 8873.8387409283. The cubic root of 78745014 is about 428.6218977707.

The spelling of 78745014 in words is "seventy-eight million, seven hundred forty-five thousand, fourteen".