25702940 has 12 divisors (see below), whose sum is σ = 53976216. Its totient is φ = 10281168.

The previous prime is 25702939. The next prime is 25702951. The reversal of 25702940 is 4920752.

It is a super-2 number, since 2×25702940² = 1321282249287200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642554 + ... + 642593.

It is an arithmetic number, because the mean of its divisors is an integer number (4498018).

Almost surely, 2^25702940 is an apocalyptic number.

25702940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25702940 is an abundant number, since it is smaller than the sum of its proper divisors (28273276).

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

25702940 is a wasteful number, since it uses less digits than its factorization.

25702940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285156 (or 1285154 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 25702940 is about 5069.8067024296. The cubic root of 25702940 is about 295.1170272067.

The spelling of 25702940 in words is "twenty-five million, seven hundred two thousand, nine hundred forty".