78413373 has 16 divisors (see below), whose sum is σ = 116317440. Its totient is φ = 52208352.

The previous prime is 78413369. The next prime is 78413389. The reversal of 78413373 is 37331487.

It is not a de Polignac number, because 78413373 - 2² = 78413369 is a prime.

It is a super-2 number, since 2×78413373² = 12297314130474258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78413393) 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, 28465 + ... + 31097.

It is an arithmetic number, because the mean of its divisors is an integer number (7269840).

Almost surely, 2^78413373 is an apocalyptic number.

It is an amenable number.

78413373 is a deficient number, since it is larger than the sum of its proper divisors (37904067).

78413373 is a wasteful number, since it uses less digits than its factorization.

78413373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745 (or 3739 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 78413373 is about 8855.1325794705. The cubic root of 78413373 is about 428.0193257789.

The spelling of 78413373 in words is "seventy-eight million, four hundred thirteen thousand, three hundred seventy-three".