74913449141 has 4 divisors (see below), whose sum is σ = 74915285772. Its totient is φ = 74911612512.

The previous prime is 74913449129. The next prime is 74913449161. The reversal of 74913449141 is 14194431947.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50344140625 + 24569308516 = 224375^2 + 156746^2 .

It is a cyclic number.

It is not a de Polignac number, because 74913449141 - 2⁶ = 74913449077 is a prime.

It is a super-2 number, since 2×74913449141² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74913449111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855710 + ... + 939183.

It is an arithmetic number, because the mean of its divisors is an integer number (18728821443).

Almost surely, 2^74913449141 is an apocalyptic number.

It is an amenable number.

74913449141 is a deficient number, since it is larger than the sum of its proper divisors (1836631).

74913449141 is a wasteful number, since it uses less digits than its factorization.

74913449141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836630.

The product of its digits is 435456, while the sum is 47.

The spelling of 74913449141 in words is "seventy-four billion, nine hundred thirteen million, four hundred forty-nine thousand, one hundred forty-one".