72448692 has 12 divisors (see below), whose sum is σ = 169046976. Its totient is φ = 24149560.

The previous prime is 72448619. The next prime is 72448693. The reversal of 72448692 is 29684427.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72448693) by changing a digit.

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, 3018684 + ... + 3018707.

It is an arithmetic number, because the mean of its divisors is an integer number (14087248).

Almost surely, 2^72448692 is an apocalyptic number.

It is an amenable number.

72448692 is an abundant number, since it is smaller than the sum of its proper divisors (96598284).

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

72448692 is a wasteful number, since it uses less digits than its factorization.

72448692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6037398 (or 6037396 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 72448692 is about 8511.6797402158. The cubic root of 72448692 is about 416.8791580332.

The spelling of 72448692 in words is "seventy-two million, four hundred forty-eight thousand, six hundred ninety-two".