99742454 has 16 divisors (see below), whose sum is σ = 175609248. Its totient is φ = 41591232.

The previous prime is 99742441. The next prime is 99742523. The reversal of 99742454 is 45424799.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 95759 + ... + 96794.

It is an arithmetic number, because the mean of its divisors is an integer number (10975578).

Almost surely, 2^99742454 is an apocalyptic number.

99742454 is a deficient number, since it is larger than the sum of its proper divisors (75866794).

99742454 is a wasteful number, since it uses less digits than its factorization.

99742454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192599.

The product of its digits is 362880, while the sum is 44.

The square root of 99742454 is about 9987.1143980631. The cubic root of 99742454 is about 463.7600665736.

The spelling of 99742454 in words is "ninety-nine million, seven hundred forty-two thousand, four hundred fifty-four".