74490994699 has 16 divisors (see below), whose sum is σ = 83502107136. Its totient is φ = 65854965600.

The previous prime is 74490994687. The next prime is 74490994727. The reversal of 74490994699 is 99649909447.

It is a cyclic number.

It is not a de Polignac number, because 74490994699 - 2²⁷ = 74356776971 is a prime.

It is a super-2 number, since 2×74490994699² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74490994099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762654 + ... + 854764.

It is an arithmetic number, because the mean of its divisors is an integer number (5218881696).

Almost surely, 2^74490994699 is an apocalyptic number.

74490994699 is a deficient number, since it is larger than the sum of its proper divisors (9011112437).

74490994699 is a wasteful number, since it uses less digits than its factorization.

74490994699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94146.

The product of its (nonzero) digits is 158723712, while the sum is 70.

The spelling of 74490994699 in words is "seventy-four billion, four hundred ninety million, nine hundred ninety-four thousand, six hundred ninety-nine".