72231614 has 24 divisors (see below), whose sum is σ = 134087760. Its totient is φ = 28574208.

The previous prime is 72231587. The next prime is 72231619. The reversal of 72231614 is 41613227.

It is a super-2 number, since 2×72231614² = 10434812122089992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72231619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12899 + ... + 17630.

It is an arithmetic number, because the mean of its divisors is an integer number (5586990).

Almost surely, 2^72231614 is an apocalyptic number.

72231614 is a deficient number, since it is larger than the sum of its proper divisors (61856146).

72231614 is a wasteful number, since it uses less digits than its factorization.

72231614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30564 (or 30551 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 72231614 is about 8498.9184017733. The cubic root of 72231614 is about 416.4623765114.

The spelling of 72231614 in words is "seventy-two million, two hundred thirty-one thousand, six hundred fourteen".