74090392 has 8 divisors (see below), whose sum is σ = 138919500. Its totient is φ = 37045192.

The previous prime is 74090363. The next prime is 74090411. The reversal of 74090392 is 29309047.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4630642 + ... + 4630657.

Almost surely, 2^74090392 is an apocalyptic number.

It is an amenable number.

74090392 is a deficient number, since it is larger than the sum of its proper divisors (64829108).

74090392 is a wasteful number, since it uses less digits than its factorization.

74090392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9261305 (or 9261301 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 74090392 is about 8607.5775918664. The cubic root of 74090392 is about 420.0045199816.

The spelling of 74090392 in words is "seventy-four million, ninety thousand, three hundred ninety-two".