74805072429 has 16 divisors (see below), whose sum is σ = 101436192000. Its totient is φ = 49027420416.

The previous prime is 74805072389. The next prime is 74805072431. The reversal of 74805072429 is 92427050847.

It is not a de Polignac number, because 74805072429 - 2⁹ = 74805071917 is a prime.

It is a super-2 number, since 2×74805072429² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74805072449) 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, 622104 + ... + 732545.

It is an arithmetic number, because the mean of its divisors is an integer number (6339762000).

Almost surely, 2^74805072429 is an apocalyptic number.

74805072429 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

74805072429 is a deficient number, since it is larger than the sum of its proper divisors (26631119571).

74805072429 is a wasteful number, since it uses less digits than its factorization.

74805072429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354964.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 74805072429 in words is "seventy-four billion, eight hundred five million, seventy-two thousand, four hundred twenty-nine".