2507679 has 20 divisors (see below), whose sum is σ = 3801336. Its totient is φ = 1647216.

The previous prime is 2507671. The next prime is 2507689. The reversal of 2507679 is 9767052.

It is not a de Polignac number, because 2507679 - 2³ = 2507671 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2507671) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6537 + ... + 6909.

2^2507679 is an apocalyptic number.

2507679 is a deficient number, since it is larger than the sum of its proper divisors (1293657).

2507679 is an equidigital number, since it uses as much as digits as its factorization.

2507679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 2507679 is about 1583.5652812562. The cubic root of 2507679 is about 135.8596988813.

The spelling of 2507679 in words is "two million, five hundred seven thousand, six hundred seventy-nine".