74049637 has 8 divisors (see below), whose sum is σ = 78878016. Its totient is φ = 69273792.

The previous prime is 74049611. The next prime is 74049641. The reversal of 74049637 is 73694047.

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 74049637 - 2¹⁹ = 73525349 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 74049637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74049697) 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, 10203 + ... + 15880.

It is an arithmetic number, because the mean of its divisors is an integer number (9859752).

Almost surely, 2^74049637 is an apocalyptic number.

It is an amenable number.

74049637 is a deficient number, since it is larger than the sum of its proper divisors (4828379).

74049637 is a wasteful number, since it uses less digits than its factorization.

74049637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26267.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 74049637 is about 8605.2098754185. The cubic root of 74049637 is about 419.9274950427.

The spelling of 74049637 in words is "seventy-four million, forty-nine thousand, six hundred thirty-seven".