25172074 has 32 divisors (see below), whose sum is σ = 42094080. Its totient is φ = 11235312.

The previous prime is 25172041. The next prime is 25172083. The reversal of 25172074 is 47027152.

It is a super-2 number, since 2×25172074² = 1267266618922952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72369 + ... + 72715.

It is an arithmetic number, because the mean of its divisors is an integer number (1315440).

Almost surely, 2^25172074 is an apocalyptic number.

25172074 is a deficient number, since it is larger than the sum of its proper divisors (16922006).

25172074 is a wasteful number, since it uses less digits than its factorization.

25172074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 25172074 is about 5017.1778920026. The cubic root of 25172074 is about 293.0711037428.

It can be divided in two parts, 2517207 and 4, that multiplied together give a triangular number (10068828 = T₄₄₈₇).

The spelling of 25172074 in words is "twenty-five million, one hundred seventy-two thousand, seventy-four".