72696723 has 8 divisors (see below), whose sum is σ = 105740736. Its totient is φ = 44058600.

The previous prime is 72696697. The next prime is 72696727. The reversal of 72696723 is 32769627.

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

It is not a de Polignac number, because 72696723 - 2¹⁶ = 72631187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72696727) 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, 1101433 + ... + 1101498.

It is an arithmetic number, because the mean of its divisors is an integer number (13217592).

Almost surely, 2^72696723 is an apocalyptic number.

72696723 is a deficient number, since it is larger than the sum of its proper divisors (33044013).

72696723 is a wasteful number, since it uses less digits than its factorization.

72696723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202945.

The product of its digits is 190512, while the sum is 42.

The square root of 72696723 is about 8526.2373295610. The cubic root of 72696723 is about 417.3543503322.

The spelling of 72696723 in words is "seventy-two million, six hundred ninety-six thousand, seven hundred twenty-three".