72054956 has 12 divisors (see below), whose sum is σ = 127615992. Its totient is φ = 35593248.

The previous prime is 72054923. The next prime is 72054967. The reversal of 72054956 is 65945027.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108185 + ... + 108848.

It is an arithmetic number, because the mean of its divisors is an integer number (10634666).

Almost surely, 2^72054956 is an apocalyptic number.

It is an amenable number.

72054956 is a deficient number, since it is larger than the sum of its proper divisors (55561036).

72054956 is a wasteful number, since it uses less digits than its factorization.

72054956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217120 (or 217118 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 72054956 is about 8488.5190698967. The cubic root of 72054956 is about 416.1225831425.

The spelling of 72054956 in words is "seventy-two million, fifty-four thousand, nine hundred fifty-six".