72841900 has 36 divisors (see below), whose sum is σ = 162347248. Its totient is φ = 28347840.

The previous prime is 72841891. The next prime is 72841913. The reversal of 72841900 is 914827.

It is a super-2 number, since 2×72841900² = 10611884791220000, which contains 22 as substring.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6144 + ... + 13543.

Almost surely, 2^72841900 is an apocalyptic number.

It is an amenable number.

72841900 is an abundant number, since it is smaller than the sum of its proper divisors (89505348).

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

72841900 is a wasteful number, since it uses less digits than its factorization.

72841900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19738 (or 19731 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 72841900 is about 8534.7466277564. The cubic root of 72841900 is about 417.6319876238.

The spelling of 72841900 in words is "seventy-two million, eight hundred forty-one thousand, nine hundred".