72054456 has 16 divisors (see below), whose sum is σ = 180136200. Its totient is φ = 24018144.

The previous prime is 72054443. The next prime is 72054457. The reversal of 72054456 is 65445027.

It is a super-3 number, since 3×72054456³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72054457) 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, 1501111 + ... + 1501158.

Almost surely, 2^72054456 is an apocalyptic number.

It is an amenable number.

72054456 is an abundant number, since it is smaller than the sum of its proper divisors (108081744).

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

72054456 is a wasteful number, since it uses less digits than its factorization.

72054456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002278 (or 3002274 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 72054456 is about 8488.4896183008. The cubic root of 72054456 is about 416.1216206282.

It can be divided in two parts, 720544 and 56, that added together give a triangular number (720600 = T₁₂₀₀).

The spelling of 72054456 in words is "seventy-two million, fifty-four thousand, four hundred fifty-six".