25074480 has 80 divisors (see below), whose sum is σ = 78280704. Its totient is φ = 6639360.

The previous prime is 25074479. The next prime is 25074481. The reversal of 25074480 is 8447052.

It is an interprime number because it is at equal distance from previous prime (25074479) and next prime (25074481).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (25074481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45567 + ... + 46113.

Almost surely, 2^25074480 is an apocalyptic number.

25074480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25074480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39140352).

25074480 is an abundant number, since it is smaller than the sum of its proper divisors (53206224).

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

25074480 is a wasteful number, since it uses less digits than its factorization.

25074480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 25074480 is about 5007.4424609775. The cubic root of 25074480 is about 292.6918603913.

The spelling of 25074480 in words is "twenty-five million, seventy-four thousand, four hundred eighty".