99942574 has 16 divisors (see below), whose sum is σ = 155076480. Its totient is φ = 48257280.

The previous prime is 99942571. The next prime is 99942581. The reversal of 99942574 is 47524999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99942571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33862 + ... + 36694.

It is an arithmetic number, because the mean of its divisors is an integer number (9692280).

Almost surely, 2^99942574 is an apocalyptic number.

99942574 is a deficient number, since it is larger than the sum of its proper divisors (55133906).

99942574 is a wasteful number, since it uses less digits than its factorization.

99942574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435.

The product of its digits is 816480, while the sum is 49.

The square root of 99942574 is about 9997.1282876634. The cubic root of 99942574 is about 464.0700170549.

The spelling of 99942574 in words is "ninety-nine million, nine hundred forty-two thousand, five hundred seventy-four".