74911899 has 8 divisors (see below), whose sum is σ = 101086272. Its totient is φ = 49339400.

The previous prime is 74911871. The next prime is 74911909. The reversal of 74911899 is 99811947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74911899 - 2¹³ = 74903707 is a prime.

It is a super-2 number, since 2×74911899² = 11223585223572402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74911099) 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, 150177 + ... + 150674.

It is an arithmetic number, because the mean of its divisors is an integer number (12635784).

Almost surely, 2^74911899 is an apocalyptic number.

74911899 is a deficient number, since it is larger than the sum of its proper divisors (26174373).

74911899 is a wasteful number, since it uses less digits than its factorization.

74911899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300937.

The product of its digits is 163296, while the sum is 48.

The square root of 74911899 is about 8655.1660296034. The cubic root of 74911899 is about 421.5511407042.

Adding to 74911899 its sum of digits (48), we get a palindrome (74911947).

The spelling of 74911899 in words is "seventy-four million, nine hundred eleven thousand, eight hundred ninety-nine".