72111490 has 16 divisors (see below), whose sum is σ = 141600960. Its totient is φ = 26222320.

The previous prime is 72111469. The next prime is 72111491. The reversal of 72111490 is 9411127.

It is not an unprimeable number, because it can be changed into a prime (72111491) 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, 327670 + ... + 327889.

It is an arithmetic number, because the mean of its divisors is an integer number (8850060).

Almost surely, 2^72111490 is an apocalyptic number.

72111490 is a deficient number, since it is larger than the sum of its proper divisors (69489470).

72111490 is a wasteful number, since it uses less digits than its factorization.

72111490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655577.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 72111490 is about 8491.8484442435. The cubic root of 72111490 is about 416.2313840057.

The spelling of 72111490 in words is "seventy-two million, one hundred eleven thousand, four hundred ninety".