72753751 has 8 divisors (see below), whose sum is σ = 83496960. Its totient is φ = 62098008.

The previous prime is 72753749. The next prime is 72753757. The reversal of 72753751 is 15735727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72753751 - 2¹ = 72753749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72753751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72753757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20071 + ... + 23416.

It is an arithmetic number, because the mean of its divisors is an integer number (10437120).

Almost surely, 2^72753751 is an apocalyptic number.

72753751 is a deficient number, since it is larger than the sum of its proper divisors (10743209).

72753751 is a wasteful number, since it uses less digits than its factorization.

72753751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43733.

The product of its digits is 51450, while the sum is 37.

The square root of 72753751 is about 8529.5809392959. The cubic root of 72753751 is about 417.4634550344.

It can be divided in two parts, 7275 and 3751, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 72753751 in words is "seventy-two million, seven hundred fifty-three thousand, seven hundred fifty-one".