72948574 has 4 divisors (see below), whose sum is σ = 109422864. Its totient is φ = 36474286.

The previous prime is 72948523. The next prime is 72948587. The reversal of 72948574 is 47584927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47584927 = 13 ⋅3660379.

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, 18237142 + ... + 18237145.

It is an arithmetic number, because the mean of its divisors is an integer number (27355716).

Almost surely, 2^72948574 is an apocalyptic number.

72948574 is a deficient number, since it is larger than the sum of its proper divisors (36474290).

72948574 is a wasteful number, since it uses less digits than its factorization.

72948574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36474289.

The product of its digits is 564480, while the sum is 46.

The square root of 72948574 is about 8540.9937360942. The cubic root of 72948574 is about 417.8357565391.

The spelling of 72948574 in words is "seventy-two million, nine hundred forty-eight thousand, five hundred seventy-four".