99715740 has 48 divisors (see below), whose sum is σ = 286756512. Its totient is φ = 25871616.

The previous prime is 99715711. The next prime is 99715757. The reversal of 99715740 is 4751799.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 99715692 and 99715701.

It is a congruent number.

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, 20239 + ... + 24678.

It is an arithmetic number, because the mean of its divisors is an integer number (5974094).

Almost surely, 2^99715740 is an apocalyptic number.

It is an amenable number.

99715740 is an abundant number, since it is smaller than the sum of its proper divisors (187040772).

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

99715740 is a wasteful number, since it uses less digits than its factorization.

99715740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44966 (or 44964 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 99715740 is about 9985.7768851502. The cubic root of 99715740 is about 463.7186599571.

The spelling of 99715740 in words is "ninety-nine million, seven hundred fifteen thousand, seven hundred forty".