72311352 has 32 divisors (see below), whose sum is σ = 183745680. Its totient is φ = 23708160.

The previous prime is 72311347. The next prime is 72311383. The reversal of 72311352 is 25311327.

It is a super-3 number, since 3×72311352³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23233 + ... + 26160.

Almost surely, 2^72311352 is an apocalyptic number.

It is an amenable number.

72311352 is an abundant number, since it is smaller than the sum of its proper divisors (111434328).

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

72311352 is a wasteful number, since it uses less digits than its factorization.

72311352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49463 (or 49459 counting only the distinct ones).

The product of its digits is 1260, while the sum is 24.

The square root of 72311352 is about 8503.6081753571. The cubic root of 72311352 is about 416.6155673513.

Adding to 72311352 its reverse (25311327), we get a palindrome (97622679).

The spelling of 72311352 in words is "seventy-two million, three hundred eleven thousand, three hundred fifty-two".