74695694309 has 16 divisors (see below), whose sum is σ = 78343200000. Its totient is φ = 71082270336.

The previous prime is 74695694279. The next prime is 74695694321. The reversal of 74695694309 is 90349659647.

It is a cyclic number.

It is not a de Polignac number, because 74695694309 - 2⁸ = 74695694053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74695691309) 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, 4588817 + ... + 4605065.

It is an arithmetic number, because the mean of its divisors is an integer number (4896450000).

Almost surely, 2^74695694309 is an apocalyptic number.

It is an amenable number.

74695694309 is a deficient number, since it is larger than the sum of its proper divisors (3647505691).

74695694309 is a wasteful number, since it uses less digits than its factorization.

74695694309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17284.

The product of its (nonzero) digits is 44089920, while the sum is 62.

The spelling of 74695694309 in words is "seventy-four billion, six hundred ninety-five million, six hundred ninety-four thousand, three hundred nine".