74730995742 has 192 divisors, whose sum is σ = 179966029824. Its totient is φ = 20472929280.

The previous prime is 74730995707. The next prime is 74730995761. The reversal of 74730995742 is 24759903747.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 90802743 + ... + 90803565.

It is an arithmetic number, because the mean of its divisors is an integer number (937323072).

Almost surely, 2^74730995742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74730995742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89983014912).

74730995742 is an abundant number, since it is smaller than the sum of its proper divisors (105235034082).

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

74730995742 is a wasteful number, since it uses less digits than its factorization.

74730995742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 57.

It can be divided in two parts, 747309 and 95742, that added together give a triangular number (843051 = T₁₂₉₈).

The spelling of 74730995742 in words is "seventy-four billion, seven hundred thirty million, nine hundred ninety-five thousand, seven hundred forty-two".