74702072 has 16 divisors (see below), whose sum is σ = 147438600. Its totient is φ = 35385120.

The previous prime is 74702071. The next prime is 74702093. The reversal of 74702072 is 27020747.

It is a super-2 number, since 2×74702072² = 11160799122186368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74702071) 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, 245579 + ... + 245882.

Almost surely, 2^74702072 is an apocalyptic number.

It is an amenable number.

74702072 is a deficient number, since it is larger than the sum of its proper divisors (72736528).

74702072 is a wasteful number, since it uses less digits than its factorization.

74702072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491486 (or 491482 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 74702072 is about 8643.0360406515. The cubic root of 74702072 is about 421.1571867125.

The spelling of 74702072 in words is "seventy-four million, seven hundred two thousand, seventy-two".