709272664 has 16 divisors (see below), whose sum is σ = 1331654400. Its totient is φ = 354164832.

The previous prime is 709272661. The next prime is 709272671. The reversal of 709272664 is 466272907.

It is a self number, because there is not a number n which added to its sum of digits gives 709272664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709272661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52504 + ... + 64615.

It is an arithmetic number, because the mean of its divisors is an integer number (83228400).

Almost surely, 2^709272664 is an apocalyptic number.

It is an amenable number.

709272664 is a deficient number, since it is larger than the sum of its proper divisors (622381736).

709272664 is a wasteful number, since it uses less digits than its factorization.

709272664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117882 (or 117878 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 709272664 is about 26632.1734749532. The cubic root of 709272664 is about 891.8074047783.

The spelling of 709272664 in words is "seven hundred nine million, two hundred seventy-two thousand, six hundred sixty-four".