25967790 has 40 divisors (see below), whose sum is σ = 69826680. Its totient is φ = 6924528.

The previous prime is 25967741. The next prime is 25967791. The reversal of 25967790 is 9776952.

It is a super-2 number, since 2×25967790² = 1348652234968200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25967791) by changing a digit.

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 in 19 ways as a sum of consecutive naturals, for example, 15220 + ... + 16839.

It is an arithmetic number, because the mean of its divisors is an integer number (1745667).

Almost surely, 2^25967790 is an apocalyptic number.

25967790 is an abundant number, since it is smaller than the sum of its proper divisors (43858890).

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

25967790 is a wasteful number, since it uses less digits than its factorization.

25967790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32078 (or 32069 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 25967790 is about 5095.8600844215. The cubic root of 25967790 is about 296.1272203922.

The spelling of 25967790 in words is "twenty-five million, nine hundred sixty-seven thousand, seven hundred ninety".