99975434 has 32 divisors (see below), whose sum is σ = 173988864. Its totient is φ = 42704640.

The previous prime is 99975427. The next prime is 99975451. The reversal of 99975434 is 43457999.

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, 15842 + ... + 21234.

It is an arithmetic number, because the mean of its divisors is an integer number (5437152).

Almost surely, 2^99975434 is an apocalyptic number.

99975434 is a deficient number, since it is larger than the sum of its proper divisors (74013430).

99975434 is a wasteful number, since it uses less digits than its factorization.

99975434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462.

The product of its digits is 1224720, while the sum is 50.

The square root of 99975434 is about 9998.7716245547. The cubic root of 99975434 is about 464.1208718247.

The spelling of 99975434 in words is "ninety-nine million, nine hundred seventy-five thousand, four hundred thirty-four".