72200838 has 16 divisors (see below), whose sum is σ = 148304880. Its totient is φ = 23416416.

The previous prime is 72200833. The next prime is 72200851. The reversal of 72200838 is 83800227.

It is a super-2 number, since 2×72200838² = 10425922015804488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72200831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162393 + ... + 162836.

It is an arithmetic number, because the mean of its divisors is an integer number (9269055).

Almost surely, 2^72200838 is an apocalyptic number.

72200838 is an abundant number, since it is smaller than the sum of its proper divisors (76104042).

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

72200838 is a wasteful number, since it uses less digits than its factorization.

72200838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325271.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 72200838 is about 8497.1076255394. The cubic root of 72200838 is about 416.4032202032.

The spelling of 72200838 in words is "seventy-two million, two hundred thousand, eight hundred thirty-eight".