74084537 has 4 divisors (see below), whose sum is σ = 74119140. Its totient is φ = 74049936.

The previous prime is 74084533. The next prime is 74084557. The reversal of 74084537 is 73548047.

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 47623801 + 26460736 = 6901^2 + 5144^2 .

It is a cyclic number.

It is not a de Polignac number, because 74084537 - 2² = 74084533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74084537.

It is not an unprimeable number, because it can be changed into a prime (74084533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13862 + ... + 18447.

It is an arithmetic number, because the mean of its divisors is an integer number (18529785).

Almost surely, 2^74084537 is an apocalyptic number.

It is an amenable number.

74084537 is a deficient number, since it is larger than the sum of its proper divisors (34603).

74084537 is a wasteful number, since it uses less digits than its factorization.

74084537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34602.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 74084537 is about 8607.2374778439. The cubic root of 74084537 is about 419.9934560583.

The spelling of 74084537 in words is "seventy-four million, eighty-four thousand, five hundred thirty-seven".