507642726 has 16 divisors (see below), whose sum is σ = 1032494400. Its totient is φ = 166346088.

The previous prime is 507642679. The next prime is 507642727. The reversal of 507642726 is 627246705.

It is a happy number.

It is a super-2 number, since 2×507642726² = 515402274521422152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507642727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716656 + ... + 717363.

It is an arithmetic number, because the mean of its divisors is an integer number (64530900).

Almost surely, 2^507642726 is an apocalyptic number.

507642726 is an abundant number, since it is smaller than the sum of its proper divisors (524851674).

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

507642726 is a wasteful number, since it uses less digits than its factorization.

507642726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434083.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 507642726 is about 22530.9282099074. The cubic root of 507642726 is about 797.7241180497.

The spelling of 507642726 in words is "five hundred seven million, six hundred forty-two thousand, seven hundred twenty-six".