72311348 has 12 divisors (see below), whose sum is σ = 126628320. Its totient is φ = 36131832.

The previous prime is 72311347. The next prime is 72311383. The reversal of 72311348 is 84311327.

It is a super-3 number, since 3×72311348³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72311348.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72311347) 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, 2063 + ... + 12201.

It is an arithmetic number, because the mean of its divisors is an integer number (10552360).

Almost surely, 2^72311348 is an apocalyptic number.

It is an amenable number.

72311348 is a deficient number, since it is larger than the sum of its proper divisors (54316972).

72311348 is a wasteful number, since it uses less digits than its factorization.

72311348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11926 (or 11924 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 72311348 is about 8503.6079401628. The cubic root of 72311348 is about 416.6155596694.

The spelling of 72311348 in words is "seventy-two million, three hundred eleven thousand, three hundred forty-eight".