72656054 has 4 divisors (see below), whose sum is σ = 108984084. Its totient is φ = 36328026.

The previous prime is 72656041. The next prime is 72656071. The reversal of 72656054 is 45065627.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18164012 + ... + 18164015.

It is an arithmetic number, because the mean of its divisors is an integer number (27246021).

Almost surely, 2^72656054 is an apocalyptic number.

72656054 is a deficient number, since it is larger than the sum of its proper divisors (36328030).

72656054 is a wasteful number, since it uses less digits than its factorization.

72656054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36328029.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 72656054 is about 8523.8520634746. The cubic root of 72656054 is about 417.2765084455.

The spelling of 72656054 in words is "seventy-two million, six hundred fifty-six thousand, fifty-four".