72197614 has 4 divisors (see below), whose sum is σ = 108296424. Its totient is φ = 36098806.

The previous prime is 72197603. The next prime is 72197627. The reversal of 72197614 is 41679127.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18049402 + ... + 18049405.

It is an arithmetic number, because the mean of its divisors is an integer number (27074106).

Almost surely, 2^72197614 is an apocalyptic number.

72197614 is a deficient number, since it is larger than the sum of its proper divisors (36098810).

72197614 is a wasteful number, since it uses less digits than its factorization.

72197614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36098809.

The product of its digits is 21168, while the sum is 37.

The square root of 72197614 is about 8496.9179118078. The cubic root of 72197614 is about 416.3970221959.

The spelling of 72197614 in words is "seventy-two million, one hundred ninety-seven thousand, six hundred fourteen".