74145884002 has 8 divisors (see below), whose sum is σ = 111225443436. Its totient is φ = 37070736192.

The previous prime is 74145883997. The next prime is 74145884023. The reversal of 74145884002 is 20048854147.

It can be written as a sum of positive squares in 2 ways, for example, as 73733428521 + 412455481 = 271539^2 + 20309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×74145884002² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74145884002.

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, 1060563 + ... + 1128310.

Almost surely, 2^74145884002 is an apocalyptic number.

74145884002 is a deficient number, since it is larger than the sum of its proper divisors (37079559434).

74145884002 is a wasteful number, since it uses less digits than its factorization.

74145884002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205812.

The product of its (nonzero) digits is 286720, while the sum is 43.

The spelling of 74145884002 in words is "seventy-four billion, one hundred forty-five million, eight hundred eighty-four thousand, two".