74570755734 has 48 divisors (see below), whose sum is σ = 167799266640. Its totient is φ = 24850898496.

The previous prime is 74570755717. The next prime is 74570755769. The reversal of 74570755734 is 43755707547.

74570755734 is a `hidden beast` number, since 7 + 4 + 57 + 0 + 7 + 557 + 34 = 666.

It is a super-2 number, since 2×74570755734² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 18058182 + ... + 18062310.

It is an arithmetic number, because the mean of its divisors is an integer number (3495818055).

Almost surely, 2^74570755734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74570755734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83899633320).

74570755734 is an abundant number, since it is smaller than the sum of its proper divisors (93228510906).

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

74570755734 is an frugal number, since it uses more digits than its factorization.

74570755734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281 (or 4134 counting only the distinct ones).

The product of its (nonzero) digits is 14406000, while the sum is 54.

Multiplying 74570755734 by its sum of digits (54), we get a square (4026820809636 = 2006694²).

74570755734 divided by its sum of digits (54) gives a square (1380939921 = 37161²).

The spelling of 74570755734 in words is "seventy-four billion, five hundred seventy million, seven hundred fifty-five thousand, seven hundred thirty-four".