609707264 has 72 divisors (see below), whose sum is σ = 1294587840. Its totient is φ = 285769728.

The previous prime is 609707257. The next prime is 609707297. The reversal of 609707264 is 462707906.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500384 + ... + 501600.

Almost surely, 2^609707264 is an apocalyptic number.

609707264 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609707264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647293920).

609707264 is an abundant number, since it is smaller than the sum of its proper divisors (684880576).

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

609707264 is a wasteful number, since it uses less digits than its factorization.

609707264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 609707264 is about 24692.2510921949. The cubic root of 609707264 is about 847.9569219840.

The spelling of 609707264 in words is "six hundred nine million, seven hundred seven thousand, two hundred sixty-four".