7933640025 has 24 divisors (see below), whose sum is σ = 13339280160. Its totient is φ = 4159555840.

The previous prime is 7933640021. The next prime is 7933640041. The reversal of 7933640025 is 5200463397.

It is not a de Polignac number, because 7933640025 - 2² = 7933640021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7933640021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 892032 + ... + 900881.

It is an arithmetic number, because the mean of its divisors is an integer number (555803340).

Almost surely, 2^7933640025 is an apocalyptic number.

7933640025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7933640025 is a deficient number, since it is larger than the sum of its proper divisors (5405640135).

7933640025 is a wasteful number, since it uses less digits than its factorization.

7933640025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792985 (or 1792980 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 7933640025 is about 89070.9830696844. The cubic root of 7933640025 is about 1994.4546407894.

The spelling of 7933640025 in words is "seven billion, nine hundred thirty-three million, six hundred forty thousand, twenty-five".