715671217 has 4 divisors (see below), whose sum is σ = 716784880. Its totient is φ = 714557556.

The previous prime is 715671199. The next prime is 715671227. The reversal of 715671217 is 712176517.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-715671217 is a prime.

It is a super-2 number, since 2×715671217² = 1024370581684522178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715671227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555867 + ... + 557152.

It is an arithmetic number, because the mean of its divisors is an integer number (179196220).

Almost surely, 2^715671217 is an apocalyptic number.

It is an amenable number.

715671217 is a deficient number, since it is larger than the sum of its proper divisors (1113663).

715671217 is a wasteful number, since it uses less digits than its factorization.

715671217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113662.

The product of its digits is 20580, while the sum is 37.

The square root of 715671217 is about 26752.0320162787. The cubic root of 715671217 is about 894.4811311636.

The spelling of 715671217 in words is "seven hundred fifteen million, six hundred seventy-one thousand, two hundred seventeen".