25350732 has 72 divisors (see below), whose sum is σ = 72526272. Its totient is φ = 7678800.

The previous prime is 25350713. The next prime is 25350733. The reversal of 25350732 is 23705352.

It is a super-2 number, since 2×25350732² = 1285319225871648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 25350696 and 25350705.

It is not an unprimeable number, because it can be changed into a prime (25350733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9507 + ... + 11877.

Almost surely, 2^25350732 is an apocalyptic number.

25350732 is a gapful number since it is divisible by the number (22) 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 25350732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36263136).

25350732 is an abundant number, since it is smaller than the sum of its proper divisors (47175540).

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

25350732 is a wasteful number, since it uses less digits than its factorization.

25350732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401 (or 2387 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 25350732 is about 5034.9510424631. The cubic root of 25350732 is about 293.7628241270.

The spelling of 25350732 in words is "twenty-five million, three hundred fifty thousand, seven hundred thirty-two".