25572746 has 8 divisors (see below), whose sum is σ = 40378080. Its totient is φ = 12113388.

The previous prime is 25572739. The next prime is 25572749. The reversal of 25572746 is 64727552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 672967 = 25572746 / (2 + 5 + 5 + 7 + 2 + 7 + 4 + 6).

It is not an unprimeable number, because it can be changed into a prime (25572749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336446 + ... + 336521.

It is an arithmetic number, because the mean of its divisors is an integer number (5047260).

Almost surely, 2^25572746 is an apocalyptic number.

25572746 is a deficient number, since it is larger than the sum of its proper divisors (14805334).

25572746 is a wasteful number, since it uses less digits than its factorization.

25572746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672988.

The product of its digits is 117600, while the sum is 38.

The square root of 25572746 is about 5056.9502667121. The cubic root of 25572746 is about 294.6178946349.

The spelling of 25572746 in words is "twenty-five million, five hundred seventy-two thousand, seven hundred forty-six".