72147314 has 4 divisors (see below), whose sum is σ = 108220974. Its totient is φ = 36073656.

The previous prime is 72147301. The next prime is 72147349. The reversal of 72147314 is 41374127.

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

It can be written as a sum of positive squares in only one way, i.e., 56505289 + 15642025 = 7517^2 + 3955^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18036827 + ... + 18036830.

Almost surely, 2^72147314 is an apocalyptic number.

72147314 is a deficient number, since it is larger than the sum of its proper divisors (36073660).

72147314 is a wasteful number, since it uses less digits than its factorization.

72147314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36073659.

The product of its digits is 4704, while the sum is 29.

The square root of 72147314 is about 8493.9574993050. The cubic root of 72147314 is about 416.3002986109.

The spelling of 72147314 in words is "seventy-two million, one hundred forty-seven thousand, three hundred fourteen".