9913750 has 80 divisors (see below), whose sum is σ = 23392512. Its totient is φ = 3060000.

The previous prime is 9913733. The next prime is 9913753. The reversal of 9913750 is 573199.

9913750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9913753) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 96199 + ... + 96301.

Almost surely, 2^9913750 is an apocalyptic number.

9913750 is an abundant number, since it is smaller than the sum of its proper divisors (13478762).

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

9913750 is a wasteful number, since it uses less digits than its factorization.

9913750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 9913750 is about 3148.6108047836. The cubic root of 9913750 is about 214.8222796726.

The spelling of 9913750 in words is "nine million, nine hundred thirteen thousand, seven hundred fifty".