72974253 has 12 divisors (see below), whose sum is σ = 106949024. Its totient is φ = 44226600.

The previous prime is 72974243. The next prime is 72974261. The reversal of 72974253 is 35247927.

It is not a de Polignac number, because 72974253 - 2¹⁴ = 72957869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72974203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100153 + ... + 100878.

Almost surely, 2^72974253 is an apocalyptic number.

It is an amenable number.

72974253 is a deficient number, since it is larger than the sum of its proper divisors (33974771).

72974253 is a wasteful number, since it uses less digits than its factorization.

72974253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201056 (or 201045 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 72974253 is about 8542.4968832303. The cubic root of 72974253 is about 417.8847789534.

The spelling of 72974253 in words is "seventy-two million, nine hundred seventy-four thousand, two hundred fifty-three".