74004074781 has 32 divisors (see below), whose sum is σ = 121589448960. Its totient is φ = 38987910144.

The previous prime is 74004074759. The next prime is 74004074783. The reversal of 74004074781 is 18747040047.

It is not a de Polignac number, because 74004074781 - 2⁶ = 74004074717 is a prime.

It is a super-2 number, since 2×74004074781² (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 (74004074783) 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 31 ways as a sum of consecutive naturals, for example, 62821 + ... + 389813.

It is an arithmetic number, because the mean of its divisors is an integer number (3799670280).

Almost surely, 2^74004074781 is an apocalyptic number.

It is an amenable number.

74004074781 is a deficient number, since it is larger than the sum of its proper divisors (47585374179).

74004074781 is a wasteful number, since it uses less digits than its factorization.

74004074781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327845.

The product of its (nonzero) digits is 175616, while the sum is 42.

The spelling of 74004074781 in words is "seventy-four billion, four million, seventy-four thousand, seven hundred eighty-one".