74139353 has 12 divisors (see below), whose sum is σ = 76848228. Its totient is φ = 71517600.

The previous prime is 74139347. The next prime is 74139361. The reversal of 74139353 is 35393147.

It can be written as a sum of positive squares in 2 ways, for example, as 62599744 + 11539609 = 7912^2 + 3397^2 .

It is not a de Polignac number, because 74139353 - 2¹⁴ = 74122969 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74139253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186551 + ... + 186947.

It is an arithmetic number, because the mean of its divisors is an integer number (6404019).

Almost surely, 2^74139353 is an apocalyptic number.

It is an amenable number.

74139353 is a deficient number, since it is larger than the sum of its proper divisors (2708875).

74139353 is a wasteful number, since it uses less digits than its factorization.

74139353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 541 counting only the distinct ones).

The product of its digits is 34020, while the sum is 35.

The square root of 74139353 is about 8610.4211859816. The cubic root of 74139353 is about 420.0970165149.

The spelling of 74139353 in words is "seventy-four million, one hundred thirty-nine thousand, three hundred fifty-three".