72893751 has 16 divisors (see below), whose sum is σ = 111272448. Its totient is φ = 41580000.

The previous prime is 72893731. The next prime is 72893761. The reversal of 72893751 is 15739827.

It is not a de Polignac number, because 72893751 - 2⁹ = 72893239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72893731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10501 + ... + 16001.

It is an arithmetic number, because the mean of its divisors is an integer number (6954528).

Almost surely, 2^72893751 is an apocalyptic number.

72893751 is a deficient number, since it is larger than the sum of its proper divisors (38378697).

72893751 is a wasteful number, since it uses less digits than its factorization.

72893751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6142.

The product of its digits is 105840, while the sum is 42.

The square root of 72893751 is about 8537.7837288139. The cubic root of 72893751 is about 417.7310583513.

The spelling of 72893751 in words is "seventy-two million, eight hundred ninety-three thousand, seven hundred fifty-one".