102756620 has 12 divisors (see below), whose sum is σ = 215788944. Its totient is φ = 41102640.

The previous prime is 102756607. The next prime is 102756623. The reversal of 102756620 is 26657201.

It is not an unprimeable number, because it can be changed into a prime (102756623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2568896 + ... + 2568935.

It is an arithmetic number, because the mean of its divisors is an integer number (17982412).

Almost surely, 2^102756620 is an apocalyptic number.

102756620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102756620 is an abundant number, since it is smaller than the sum of its proper divisors (113032324).

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

102756620 is a wasteful number, since it uses less digits than its factorization.

102756620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5137840 (or 5137838 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 102756620 is about 10136.8940016161. The cubic root of 102756620 is about 468.3853146909.

The spelling of 102756620 in words is "one hundred two million, seven hundred fifty-six thousand, six hundred twenty".