74073750913 has 4 divisors (see below), whose sum is σ = 74075011668. Its totient is φ = 74072490160.

The previous prime is 74073750901. The next prime is 74073751043. The reversal of 74073750913 is 31905737047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31905737047 = 15461 ⋅2063627.

It can be written as a sum of positive squares in 2 ways, for example, as 8308687104 + 65765063809 = 91152^2 + 256447^2 .

It is a cyclic number.

It is not a de Polignac number, because 74073750913 - 2²⁵ = 74040196481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74073750313) 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 3 ways as a sum of consecutive naturals, for example, 537706 + ... + 661267.

It is an arithmetic number, because the mean of its divisors is an integer number (18518752917).

Almost surely, 2^74073750913 is an apocalyptic number.

It is an amenable number.

74073750913 is a deficient number, since it is larger than the sum of its proper divisors (1260755).

74073750913 is a wasteful number, since it uses less digits than its factorization.

74073750913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260754.

The product of its (nonzero) digits is 555660, while the sum is 46.

The spelling of 74073750913 in words is "seventy-four billion, seventy-three million, seven hundred fifty thousand, nine hundred thirteen".