25247672 has 8 divisors (see below), whose sum is σ = 47339400. Its totient is φ = 12623832.

The previous prime is 25247639. The next prime is 25247699. The reversal of 25247672 is 27674252.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577972 + ... + 1577987.

It is an arithmetic number, because the mean of its divisors is an integer number (5917425).

Almost surely, 2^25247672 is an apocalyptic number.

It is an amenable number.

25247672 is a deficient number, since it is larger than the sum of its proper divisors (22091728).

25247672 is a wasteful number, since it uses less digits than its factorization.

25247672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155965 (or 3155961 counting only the distinct ones).

The product of its digits is 47040, while the sum is 35.

The square root of 25247672 is about 5024.7061605630. The cubic root of 25247672 is about 293.3641990019.

The spelling of 25247672 in words is "twenty-five million, two hundred forty-seven thousand, six hundred seventy-two".