74612752734 has 64 divisors (see below), whose sum is σ = 169285858560. Its totient is φ = 21733608960.

The previous prime is 74612752733. The next prime is 74612752763. The reversal of 74612752734 is 43725721647.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74612752733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2097174 + ... + 2132454.

It is an arithmetic number, because the mean of its divisors is an integer number (2645091540).

Almost surely, 2^74612752734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74612752734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84642929280).

74612752734 is an abundant number, since it is smaller than the sum of its proper divisors (94673105826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74612752734 is a wasteful number, since it uses less digits than its factorization.

74612752734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36745.

The product of its digits is 1975680, while the sum is 48.

The spelling of 74612752734 in words is "seventy-four billion, six hundred twelve million, seven hundred fifty-two thousand, seven hundred thirty-four".