74337901213 has 4 divisors (see below), whose sum is σ = 75173158620. Its totient is φ = 73502643808.

The previous prime is 74337901151. The next prime is 74337901237. The reversal of 74337901213 is 31210973347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31210973347 = 1289 ⋅24213323.

It can be written as a sum of positive squares in 2 ways, for example, as 37149478564 + 37188422649 = 192742^2 + 192843^2 .

It is a cyclic number.

It is not a de Polignac number, because 74337901213 - 2²¹ = 74335804061 is a prime.

It is a super-2 number, since 2×74337901213² (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 (74337901613) 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, 417628570 + ... + 417628747.

It is an arithmetic number, because the mean of its divisors is an integer number (18793289655).

Almost surely, 2^74337901213 is an apocalyptic number.

It is an amenable number.

74337901213 is a deficient number, since it is larger than the sum of its proper divisors (835257407).

74337901213 is an equidigital number, since it uses as much as digits as its factorization.

74337901213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835257406.

The product of its (nonzero) digits is 95256, while the sum is 40.

The spelling of 74337901213 in words is "seventy-four billion, three hundred thirty-seven million, nine hundred one thousand, two hundred thirteen".