74386940 has 12 divisors (see below), whose sum is σ = 156212616. Its totient is φ = 29754768.

The previous prime is 74386933. The next prime is 74386973. The reversal of 74386940 is 4968347.

It is a hoax number, since the sum of its digits (41) 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 3 ways as a sum of consecutive naturals, for example, 1859654 + ... + 1859693.

It is an arithmetic number, because the mean of its divisors is an integer number (13017718).

Almost surely, 2^74386940 is an apocalyptic number.

It is an amenable number.

74386940 is an abundant number, since it is smaller than the sum of its proper divisors (81825676).

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

74386940 is a wasteful number, since it uses less digits than its factorization.

74386940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719356 (or 3719354 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 74386940 is about 8624.7863741660. The cubic root of 74386940 is about 420.5641323345.

The spelling of 74386940 in words is "seventy-four million, three hundred eighty-six thousand, nine hundred forty".