72693759 has 4 divisors (see below), whose sum is σ = 96925016. Its totient is φ = 48462504.

The previous prime is 72693743. The next prime is 72693769. The reversal of 72693759 is 95739627.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 72693759 - 2⁴ = 72693743 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 (72693769) 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, 12115624 + ... + 12115629.

It is an arithmetic number, because the mean of its divisors is an integer number (24231254).

Almost surely, 2^72693759 is an apocalyptic number.

72693759 is a deficient number, since it is larger than the sum of its proper divisors (24231257).

72693759 is a wasteful number, since it uses less digits than its factorization.

72693759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24231256.

The product of its digits is 714420, while the sum is 48.

The square root of 72693759 is about 8526.0635113750. The cubic root of 72693759 is about 417.3486781136.

The spelling of 72693759 in words is "seventy-two million, six hundred ninety-three thousand, seven hundred fifty-nine".