74540297382 has 16 divisors (see below), whose sum is σ = 153889646592. Its totient is φ = 24045257160.

The previous prime is 74540297371. The next prime is 74540297387. The reversal of 74540297382 is 28379204547.

It is a super-3 number, since 3×74540297382³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74540297387) 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 7 ways as a sum of consecutive naturals, for example, 200376958 + ... + 200377329.

It is an arithmetic number, because the mean of its divisors is an integer number (9618102912).

Almost surely, 2^74540297382 is an apocalyptic number.

74540297382 is an abundant number, since it is smaller than the sum of its proper divisors (79349349210).

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

74540297382 is a wasteful number, since it uses less digits than its factorization.

74540297382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400754323.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 74540297382 in words is "seventy-four billion, five hundred forty million, two hundred ninety-seven thousand, three hundred eighty-two".