72310352 has 40 divisors (see below), whose sum is σ = 152252160. Its totient is φ = 33143040.

The previous prime is 72310331. The next prime is 72310361. The reversal of 72310352 is 25301327.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5588 + ... + 13260.

It is an arithmetic number, because the mean of its divisors is an integer number (3806304).

Almost surely, 2^72310352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72310352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76126080).

72310352 is an abundant number, since it is smaller than the sum of its proper divisors (79941808).

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

72310352 is a wasteful number, since it uses less digits than its factorization.

72310352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7731 (or 7725 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 72310352 is about 8503.5493765839. The cubic root of 72310352 is about 416.6136468714.

Adding to 72310352 its reverse (25301327), we get a palindrome (97611679).

The spelling of 72310352 in words is "seventy-two million, three hundred ten thousand, three hundred fifty-two".