74379894 has 16 divisors (see below), whose sum is σ = 148944432. Its totient is φ = 24762528.

The previous prime is 74379883. The next prime is 74379937. The reversal of 74379894 is 49897347.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2149 + ... + 12384.

It is an arithmetic number, because the mean of its divisors is an integer number (9309027).

Almost surely, 2^74379894 is an apocalyptic number.

74379894 is an abundant number, since it is smaller than the sum of its proper divisors (74564538).

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

74379894 is a wasteful number, since it uses less digits than its factorization.

74379894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15391.

The product of its digits is 1524096, while the sum is 51.

The square root of 74379894 is about 8624.3778906075. The cubic root of 74379894 is about 420.5508531735.

The spelling of 74379894 in words is "seventy-four million, three hundred seventy-nine thousand, eight hundred ninety-four".