7546400025 has 24 divisors (see below), whose sum is σ = 12766876320. Its totient is φ = 3931146240.

The previous prime is 7546399997. The next prime is 7546400053. The reversal of 7546400025 is 5200046457.

It is an interprime number because it is at equal distance from previous prime (7546399997) and next prime (7546400053).

It is not a de Polignac number, because 7546400025 - 2⁸ = 7546399769 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1166760 + ... + 1173209.

It is an arithmetic number, because the mean of its divisors is an integer number (531953180).

Almost surely, 2^7546400025 is an apocalyptic number.

7546400025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7546400025 is a deficient number, since it is larger than the sum of its proper divisors (5220476295).

7546400025 is a wasteful number, since it uses less digits than its factorization.

7546400025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340025 (or 2340020 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 7546400025 is about 86870.0179866449. The cubic root of 7546400025 is about 1961.4621902707.

The spelling of 7546400025 in words is "seven billion, five hundred forty-six million, four hundred thousand, twenty-five".