74378502 has 96 divisors (see below), whose sum is σ = 196110720. Its totient is φ = 20079360.

The previous prime is 74378489. The next prime is 74378537. The reversal of 74378502 is 20587347.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63373 + ... + 64535.

It is an arithmetic number, because the mean of its divisors is an integer number (2042820).

Almost surely, 2^74378502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74378502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98055360).

74378502 is an abundant number, since it is smaller than the sum of its proper divisors (121732218).

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

74378502 is a wasteful number, since it uses less digits than its factorization.

74378502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 74378502 is about 8624.2971887569. The cubic root of 74378502 is about 420.5482296579.

The spelling of 74378502 in words is "seventy-four million, three hundred seventy-eight thousand, five hundred two".