72646548 has 48 divisors (see below), whose sum is σ = 183126720. Its totient is φ = 22281984.

The previous prime is 72646531. The next prime is 72646603. The reversal of 72646548 is 84564627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70783 + ... + 71801.

It is an arithmetic number, because the mean of its divisors is an integer number (3815140).

Almost surely, 2^72646548 is an apocalyptic number.

72646548 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

72646548 is an abundant number, since it is smaller than the sum of its proper divisors (110480172).

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

72646548 is a wasteful number, since it uses less digits than its factorization.

72646548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496 (or 1494 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 72646548 is about 8523.2944334923. The cubic root of 72646548 is about 417.2583094413.

It can be divided in two parts, 726 and 46548, that added together give a palindrome (47274).

The spelling of 72646548 in words is "seventy-two million, six hundred forty-six thousand, five hundred forty-eight".