74132381790 has 112 divisors (see below), whose sum is σ = 202315611600. Its totient is φ = 19546344576.

The previous prime is 74132381777. The next prime is 74132381803. The reversal of 74132381790 is 9718323147.

74132381790 is a `hidden beast` number, since 74 + 132 + 381 + 79 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (74132381777) and next prime (74132381803).

It is a super-2 number, since 2×74132381790² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 591681 + ... + 705939.

Almost surely, 2^74132381790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74132381790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101157805800).

74132381790 is an abundant number, since it is smaller than the sum of its proper divisors (128183229810).

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

74132381790 is a wasteful number, since it uses less digits than its factorization.

74132381790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114373 (or 114358 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 74132381790 in words is "seventy-four billion, one hundred thirty-two million, three hundred eighty-one thousand, seven hundred ninety".