74823767140 has 12 divisors (see below), whose sum is σ = 157129911036. Its totient is φ = 29929506848.

The previous prime is 74823767093. The next prime is 74823767153. The reversal of 74823767140 is 4176732847.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57658574884 + 17165192256 = 240122^2 + 131016^2 .

It is a super-2 number, since 2×74823767140² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870594159 + ... + 1870594198.

It is an arithmetic number, because the mean of its divisors is an integer number (13094159253).

Almost surely, 2^74823767140 is an apocalyptic number.

It is an amenable number.

74823767140 is an abundant number, since it is smaller than the sum of its proper divisors (82306143896).

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

74823767140 is a wasteful number, since it uses less digits than its factorization.

74823767140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741188366 (or 3741188364 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 49.

The spelling of 74823767140 in words is "seventy-four billion, eight hundred twenty-three million, seven hundred sixty-seven thousand, one hundred forty".