74739053 has 4 divisors (see below), whose sum is σ = 74782620. Its totient is φ = 74695488.

The previous prime is 74738999. The next prime is 74739097. The reversal of 74739053 is 35093747.

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 53042089 + 21696964 = 7283^2 + 4658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74739053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74738998 and 74739016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74739653) 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, 19100 + ... + 22677.

It is an arithmetic number, because the mean of its divisors is an integer number (18695655).

Almost surely, 2^74739053 is an apocalyptic number.

It is an amenable number.

74739053 is a deficient number, since it is larger than the sum of its proper divisors (43567).

74739053 is a wasteful number, since it uses less digits than its factorization.

74739053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43566.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 74739053 is about 8645.1751283592. The cubic root of 74739053 is about 421.2266727126.

The spelling of 74739053 in words is "seventy-four million, seven hundred thirty-nine thousand, fifty-three".