99702440 has 32 divisors (see below), whose sum is σ = 224640000. Its totient is φ = 39825984.

The previous prime is 99702439. The next prime is 99702497. The reversal of 99702440 is 4420799.

It is a self number, because there is not a number n which added to its sum of digits gives 99702440.

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, 40361 + ... + 42759.

It is an arithmetic number, because the mean of its divisors is an integer number (7020000).

Almost surely, 2^99702440 is an apocalyptic number.

It is an amenable number.

99702440 is an abundant number, since it is smaller than the sum of its proper divisors (124937560).

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

99702440 is a wasteful number, since it uses less digits than its factorization.

99702440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449 (or 3445 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 99702440 is about 9985.1109157585. The cubic root of 99702440 is about 463.6980422412.

The spelling of 99702440 in words is "ninety-nine million, seven hundred two thousand, four hundred forty".