74209892 has 12 divisors (see below), whose sum is σ = 129936240. Its totient is φ = 37085256.

The previous prime is 74209871. The next prime is 74209903. The reversal of 74209892 is 29890247.

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, 6503 + ... + 13809.

It is an arithmetic number, because the mean of its divisors is an integer number (10828020).

Almost surely, 2^74209892 is an apocalyptic number.

It is an amenable number.

74209892 is a deficient number, since it is larger than the sum of its proper divisors (55726348).

74209892 is a wasteful number, since it uses less digits than its factorization.

74209892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9850 (or 9848 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 74209892 is about 8614.5163532261. The cubic root of 74209892 is about 420.2302063759.

The spelling of 74209892 in words is "seventy-four million, two hundred nine thousand, eight hundred ninety-two".