25720674 has 32 divisors (see below), whose sum is σ = 59602560. Its totient is φ = 7247232.

The previous prime is 25720663. The next prime is 25720679. The reversal of 25720674 is 47602752.

It is not an unprimeable number, because it can be changed into a prime (25720679) 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, 1129 + ... + 7260.

It is an arithmetic number, because the mean of its divisors is an integer number (1862580).

Almost surely, 2^25720674 is an apocalyptic number.

25720674 is an abundant number, since it is smaller than the sum of its proper divisors (33881886).

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

25720674 is a wasteful number, since it uses less digits than its factorization.

25720674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8474.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 25720674 is about 5071.5553827204. Note that the first 3 decimals coincide. The cubic root of 25720674 is about 295.1848845823.

The spelling of 25720674 in words is "twenty-five million, seven hundred twenty thousand, six hundred seventy-four".