714972891 has 4 divisors (see below), whose sum is σ = 953297192. Its totient is φ = 476648592.

The previous prime is 714972889. The next prime is 714972899. The reversal of 714972891 is 198279417.

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

It is not a de Polignac number, because 714972891 - 2¹ = 714972889 is a prime.

It is a super-2 number, since 2×714972891² = 1022372469729795762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 714972891.

It is not an unprimeable number, because it can be changed into a prime (714972899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119162146 + ... + 119162151.

It is an arithmetic number, because the mean of its divisors is an integer number (238324298).

Almost surely, 2^714972891 is an apocalyptic number.

714972891 is a deficient number, since it is larger than the sum of its proper divisors (238324301).

714972891 is a wasteful number, since it uses less digits than its factorization.

714972891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238324300.

The product of its digits is 254016, while the sum is 48.

The square root of 714972891 is about 26738.9769998779. The cubic root of 714972891 is about 894.1901024097.

The spelling of 714972891 in words is "seven hundred fourteen million, nine hundred seventy-two thousand, eight hundred ninety-one".