74238099 has 16 divisors (see below), whose sum is σ = 112869792. Its totient is φ = 42997248.

The previous prime is 74238091. The next prime is 74238103. The reversal of 74238099 is 99083247.

It is not a de Polignac number, because 74238099 - 2³ = 74238091 is a prime.

It is a super-2 number, since 2×74238099² = 11022590686267602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74238099.

It is not an unprimeable number, because it can be changed into a prime (74238091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55324 + ... + 56649.

It is an arithmetic number, because the mean of its divisors is an integer number (7054362).

Almost surely, 2^74238099 is an apocalyptic number.

74238099 is a deficient number, since it is larger than the sum of its proper divisors (38631693).

74238099 is a wasteful number, since it uses less digits than its factorization.

74238099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112006.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 74238099 is about 8616.1533760722. The cubic root of 74238099 is about 420.2834424590.

The spelling of 74238099 in words is "seventy-four million, two hundred thirty-eight thousand, ninety-nine".