715971066 has 16 divisors (see below), whose sum is σ = 1432965504. Its totient is φ = 238486464.

The previous prime is 715971059. The next prime is 715971083. The reversal of 715971066 is 660179517.

It is a super-2 number, since 2×715971066² = 1025229134698352712, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33391 + ... + 50466.

It is an arithmetic number, because the mean of its divisors is an integer number (89560344).

Almost surely, 2^715971066 is an apocalyptic number.

715971066 is an abundant number, since it is smaller than the sum of its proper divisors (716994438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

715971066 is a wasteful number, since it uses less digits than its factorization.

715971066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85285.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 715971066 is about 26757.6356578828. The cubic root of 715971066 is about 894.6060357368.

The spelling of 715971066 in words is "seven hundred fifteen million, nine hundred seventy-one thousand, sixty-six".