74694220 has 12 divisors (see below), whose sum is σ = 156857904. Its totient is φ = 29877680.

The previous prime is 74694203. The next prime is 74694253. The reversal of 74694220 is 2249647.

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, 1867336 + ... + 1867375.

It is an arithmetic number, because the mean of its divisors is an integer number (13071492).

Almost surely, 2^74694220 is an apocalyptic number.

It is an amenable number.

74694220 is an abundant number, since it is smaller than the sum of its proper divisors (82163684).

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

74694220 is a wasteful number, since it uses less digits than its factorization.

74694220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734720 (or 3734718 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 74694220 is about 8642.5817901828. The cubic root of 74694220 is about 421.1424301290.

The spelling of 74694220 in words is "seventy-four million, six hundred ninety-four thousand, two hundred twenty".