102745722 has 32 divisors (see below), whose sum is σ = 218116800. Its totient is φ = 32154368.

The previous prime is 102745703. The next prime is 102745751. The reversal of 102745722 is 227547201.

It is a self number, because there is not a number n which added to its sum of digits gives 102745722.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50929 + ... + 52907.

It is an arithmetic number, because the mean of its divisors is an integer number (6816150).

Almost surely, 2^102745722 is an apocalyptic number.

102745722 is an abundant number, since it is smaller than the sum of its proper divisors (115371078).

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

102745722 is a wasteful number, since it uses less digits than its factorization.

102745722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 102745722 is about 10136.3564459820. The cubic root of 102745722 is about 468.3687556811.

The spelling of 102745722 in words is "one hundred two million, seven hundred forty-five thousand, seven hundred twenty-two".