74073557 has 8 divisors (see below), whose sum is σ = 75118560. Its totient is φ = 73036080.

The previous prime is 74073523. The next prime is 74073613. The reversal of 74073557 is 75537047.

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

It is a cyclic number.

It is not a de Polignac number, because 74073557 - 2¹⁴ = 74057173 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 74073557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74073157) 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, 19619 + ... + 23087.

It is an arithmetic number, because the mean of its divisors is an integer number (9389820).

Almost surely, 2^74073557 is an apocalyptic number.

It is an amenable number.

74073557 is a deficient number, since it is larger than the sum of its proper divisors (1045003).

74073557 is a wasteful number, since it uses less digits than its factorization.

74073557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763.

The product of its (nonzero) digits is 102900, while the sum is 38.

The square root of 74073557 is about 8606.5996188971. The cubic root of 74073557 is about 419.9727060873.

The spelling of 74073557 in words is "seventy-four million, seventy-three thousand, five hundred fifty-seven".