25742496 has 48 divisors (see below), whose sum is σ = 72775584. Its totient is φ = 7920384.

The previous prime is 25742489. The next prime is 25742503. The reversal of 25742496 is 69424752.

It is an interprime number because it is at equal distance from previous prime (25742489) and next prime (25742503).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×25742496² = 1325352200620032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9066 + ... + 11561.

It is an arithmetic number, because the mean of its divisors is an integer number (1516158).

Almost surely, 2^25742496 is an apocalyptic number.

25742496 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25742496 is an abundant number, since it is smaller than the sum of its proper divisors (47033088).

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

25742496 is a wasteful number, since it uses less digits than its factorization.

25742496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20653 (or 20645 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 25742496 is about 5073.7063375801. The cubic root of 25742496 is about 295.2683414894.

The spelling of 25742496 in words is "twenty-five million, seven hundred forty-two thousand, four hundred ninety-six".