74809164629 has 16 divisors (see below), whose sum is σ = 78609776640. Its totient is φ = 71104878000.

The previous prime is 74809164613. The next prime is 74809164667. The reversal of 74809164629 is 92646190847.

It is a cyclic number.

It is not a de Polignac number, because 74809164629 - 2⁴ = 74809164613 is a prime.

It is a super-2 number, since 2×74809164629² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74809464629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387794 + ... + 547724.

It is an arithmetic number, because the mean of its divisors is an integer number (4913111040).

Almost surely, 2^74809164629 is an apocalyptic number.

74809164629 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

74809164629 is a deficient number, since it is larger than the sum of its proper divisors (3800612011).

74809164629 is a wasteful number, since it uses less digits than its factorization.

74809164629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160232.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 74809164629 in words is "seventy-four billion, eight hundred nine million, one hundred sixty-four thousand, six hundred twenty-nine".