72348772 has 12 divisors (see below), whose sum is σ = 126721980. Its totient is φ = 36142496.

The previous prime is 72348769. The next prime is 72348779. The reversal of 72348772 is 27784327.

It can be written as a sum of positive squares in 2 ways, for example, as 51609856 + 20738916 = 7184^2 + 4554^2 .

It is not an unprimeable number, because it can be changed into a prime (72348779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2443 + ... + 12274.

It is an arithmetic number, because the mean of its divisors is an integer number (10560165).

Almost surely, 2^72348772 is an apocalyptic number.

It is an amenable number.

72348772 is a deficient number, since it is larger than the sum of its proper divisors (54373208).

72348772 is a wasteful number, since it uses less digits than its factorization.

72348772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15950 (or 15948 counting only the distinct ones).

The product of its digits is 131712, while the sum is 40.

The square root of 72348772 is about 8505.8081332699. The cubic root of 72348772 is about 416.6874189842.

The spelling of 72348772 in words is "seventy-two million, three hundred forty-eight thousand, seven hundred seventy-two".