74012437 has 8 divisors (see below), whose sum is σ = 77615640. Its totient is φ = 70479360.

The previous prime is 74012423. The next prime is 74012443. The reversal of 74012437 is 73421047.

It can be written as a sum of positive squares in 4 ways, for example, as 10666756 + 63345681 = 3266^2 + 7959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74012437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74012447) 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 7 ways as a sum of consecutive naturals, for example, 15364 + ... + 19597.

It is an arithmetic number, because the mean of its divisors is an integer number (9701955).

Almost surely, 2^74012437 is an apocalyptic number.

It is an amenable number.

74012437 is a deficient number, since it is larger than the sum of its proper divisors (3603203).

74012437 is a wasteful number, since it uses less digits than its factorization.

74012437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35063.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 74012437 is about 8603.0481226133. The cubic root of 74012437 is about 419.8571642032.

The spelling of 74012437 in words is "seventy-four million, twelve thousand, four hundred thirty-seven".