72038322 has 28 divisors (see below), whose sum is σ = 162015390. Its totient is φ = 24012288.

The previous prime is 72038293. The next prime is 72038359. The reversal of 72038322 is 22383027.

It can be written as a sum of positive squares in only one way, i.e., 64304361 + 7733961 = 8019^2 + 2781^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 23247 + ... + 26162.

Almost surely, 2^72038322 is an apocalyptic number.

72038322 is an abundant number, since it is smaller than the sum of its proper divisors (89977068).

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

72038322 is an equidigital number, since it uses as much as digits as its factorization.

72038322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49429 (or 49414 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 72038322 is about 8487.5392193497. The cubic root of 72038322 is about 416.0905598271.

The spelling of 72038322 in words is "seventy-two million, thirty-eight thousand, three hundred twenty-two".