72543354 has 16 divisors (see below), whose sum is σ = 156247392. Its totient is φ = 22321008.

The previous prime is 72543353. The next prime is 72543397. The reversal of 72543354 is 45334527.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72543353) 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, 464944 + ... + 465099.

It is an arithmetic number, because the mean of its divisors is an integer number (9765462).

Almost surely, 2^72543354 is an apocalyptic number.

72543354 is an abundant number, since it is smaller than the sum of its proper divisors (83704038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72543354 is a wasteful number, since it uses less digits than its factorization.

72543354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930061.

The product of its digits is 50400, while the sum is 33.

The square root of 72543354 is about 8517.2386370232. The cubic root of 72543354 is about 417.0606448153.

The spelling of 72543354 in words is "seventy-two million, five hundred forty-three thousand, three hundred fifty-four".