25079620 has 48 divisors (see below), whose sum is σ = 57254400. Its totient is φ = 9192960.

The previous prime is 25079617. The next prime is 25079627. The reversal of 25079620 is 2697052.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25079627) 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, 10716 + ... + 12844.

It is an arithmetic number, because the mean of its divisors is an integer number (1192800).

Almost surely, 2^25079620 is an apocalyptic number.

25079620 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 25079620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28627200).

25079620 is an abundant number, since it is smaller than the sum of its proper divisors (32174780).

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

25079620 is a wasteful number, since it uses less digits than its factorization.

25079620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 25079620 is about 5007.9556707303. The cubic root of 25079620 is about 292.7118585910.

The spelling of 25079620 in words is "twenty-five million, seventy-nine thousand, six hundred twenty".