715064421 has 16 divisors (see below), whose sum is σ = 1014747264. Its totient is φ = 446337024.

The previous prime is 715064407. The next prime is 715064429. The reversal of 715064421 is 124460517.

It is not a de Polignac number, because 715064421 - 2²² = 710870117 is a prime.

It is a super-2 number, since 2×715064421² = 1022634252360130482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715064429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26481 + ... + 46166.

It is an arithmetic number, because the mean of its divisors is an integer number (63421704).

Almost surely, 2^715064421 is an apocalyptic number.

It is an amenable number.

715064421 is a deficient number, since it is larger than the sum of its proper divisors (299682843).

715064421 is a wasteful number, since it uses less digits than its factorization.

715064421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72860.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 715064421 is about 26740.6884915105. The cubic root of 715064421 is about 894.2282585080.

The spelling of 715064421 in words is "seven hundred fifteen million, sixty-four thousand, four hundred twenty-one".