7700140 has 24 divisors (see below), whose sum is σ = 18480672. Its totient is φ = 2640000.

The previous prime is 7700131. The next prime is 7700179. The reversal of 7700140 is 410077.

It is an Ulam number.

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, 27361 + ... + 27640.

It is an arithmetic number, because the mean of its divisors is an integer number (770028).

Almost surely, 2^7700140 is an apocalyptic number.

7700140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7700140 is an abundant number, since it is smaller than the sum of its proper divisors (10780532).

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

7700140 is a wasteful number, since it uses less digits than its factorization.

7700140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55017 (or 55015 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 7700140 is about 2774.9126112366. The cubic root of 7700140 is about 197.4692789902.

The spelling of 7700140 in words is "seven million, seven hundred thousand, one hundred forty".