74222972 has 12 divisors (see below), whose sum is σ = 130119360. Its totient is φ = 37046016.

The previous prime is 74222971. The next prime is 74222989. The reversal of 74222972 is 27922247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74222971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13772 + ... + 18387.

It is an arithmetic number, because the mean of its divisors is an integer number (10843280).

Almost surely, 2^74222972 is an apocalyptic number.

It is an amenable number.

74222972 is a deficient number, since it is larger than the sum of its proper divisors (55896388).

74222972 is a wasteful number, since it uses less digits than its factorization.

74222972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32740 (or 32738 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 74222972 is about 8615.2755034299. The cubic root of 74222972 is about 420.2548944062.

The spelling of 74222972 in words is "seventy-four million, two hundred twenty-two thousand, nine hundred seventy-two".