78601974 has 48 divisors (see below), whose sum is σ = 181051200. Its totient is φ = 22558320.

The previous prime is 78601891. The next prime is 78602047. The reversal of 78601974 is 47910687.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22177 + ... + 25475.

It is an arithmetic number, because the mean of its divisors is an integer number (3771900).

Almost surely, 2^78601974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78601974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90525600).

78601974 is an abundant number, since it is smaller than the sum of its proper divisors (102449226).

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

78601974 is a wasteful number, since it uses less digits than its factorization.

78601974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353 (or 3334 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 78601974 is about 8865.7754313991. The cubic root of 78601974 is about 428.3622104846.

The spelling of 78601974 in words is "seventy-eight million, six hundred one thousand, nine hundred seventy-four".