72544754 has 16 divisors (see below), whose sum is σ = 110460480. Its totient is φ = 35728560.

The previous prime is 72544751. The next prime is 72544777. The reversal of 72544754 is 45744527.

It is not an unprimeable number, because it can be changed into a prime (72544751) 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, 42632 + ... + 44300.

It is an arithmetic number, because the mean of its divisors is an integer number (6903780).

Almost surely, 2^72544754 is an apocalyptic number.

72544754 is a deficient number, since it is larger than the sum of its proper divisors (37915726).

72544754 is a wasteful number, since it uses less digits than its factorization.

72544754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985.

The product of its digits is 156800, while the sum is 38.

The square root of 72544754 is about 8517.3208228879. The cubic root of 72544754 is about 417.0633277220.

The spelling of 72544754 in words is "seventy-two million, five hundred forty-four thousand, seven hundred fifty-four".