99071490 has 32 divisors (see below), whose sum is σ = 271739520. Its totient is φ = 22644864.

The previous prime is 99071473. The next prime is 99071519. The reversal of 99071490 is 9417099.

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, 235675 + ... + 236094.

It is an arithmetic number, because the mean of its divisors is an integer number (8491860).

Almost surely, 2^99071490 is an apocalyptic number.

99071490 is an abundant number, since it is smaller than the sum of its proper divisors (172668030).

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

99071490 is a wasteful number, since it uses less digits than its factorization.

99071490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471786.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 99071490 is about 9953.4662304144. The cubic root of 99071490 is about 462.7178267814.

The spelling of 99071490 in words is "ninety-nine million, seventy-one thousand, four hundred ninety".