25712670 has 32 divisors (see below), whose sum is σ = 65341728. Its totient is φ = 6453248.

The previous prime is 25712639. The next prime is 25712677. The reversal of 25712670 is 7621752.

It is a super-2 number, since 2×25712670² = 1322282797057800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25712677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24699 + ... + 25718.

It is an arithmetic number, because the mean of its divisors is an integer number (2041929).

Almost surely, 2^25712670 is an apocalyptic number.

25712670 is an abundant number, since it is smaller than the sum of its proper divisors (39629058).

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

25712670 is a wasteful number, since it uses less digits than its factorization.

25712670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50444.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 25712670 is about 5070.7662142915. The cubic root of 25712670 is about 295.1542619409.

The spelling of 25712670 in words is "twenty-five million, seven hundred twelve thousand, six hundred seventy".