74805072430 has 16 divisors (see below), whose sum is σ = 146889960624. Its totient is φ = 27201844480.

The previous prime is 74805072389. The next prime is 74805072431. The reversal of 74805072430 is 3427050847.

It is a super-2 number, since 2×74805072430² (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 (74805072431) 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 7 ways as a sum of consecutive naturals, for example, 340022947 + ... + 340023166.

It is an arithmetic number, because the mean of its divisors is an integer number (9180622539).

Almost surely, 2^74805072430 is an apocalyptic number.

74805072430 is a deficient number, since it is larger than the sum of its proper divisors (72084888194).

74805072430 is a wasteful number, since it uses less digits than its factorization.

74805072430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680046131.

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 74805072430 in words is "seventy-four billion, eight hundred five million, seventy-two thousand, four hundred thirty".