25070780 has 48 divisors (see below), whose sum is σ = 60673536. Its totient is φ = 8523840.

The previous prime is 25070779. The next prime is 25070783. The reversal of 25070780 is 8707052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25070783) 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, 17657 + ... + 19023.

It is an arithmetic number, because the mean of its divisors is an integer number (1264032).

Almost surely, 2^25070780 is an apocalyptic number.

25070780 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 25070780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30336768).

25070780 is an abundant number, since it is smaller than the sum of its proper divisors (35602756).

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

25070780 is a wasteful number, since it uses less digits than its factorization.

25070780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 25070780 is about 5007.0729972710. The cubic root of 25070780 is about 292.6774631083.

The spelling of 25070780 in words is "twenty-five million, seventy thousand, seven hundred eighty".