74380641 has 8 divisors (see below), whose sum is σ = 99225504. Its totient is φ = 49561440.

The previous prime is 74380639. The next prime is 74380703. The reversal of 74380641 is 14608347.

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

It is not a de Polignac number, because 74380641 - 2¹ = 74380639 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (74380741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1885 + ... + 12341.

It is an arithmetic number, because the mean of its divisors is an integer number (12403188).

Almost surely, 2^74380641 is an apocalyptic number.

It is an amenable number.

74380641 is a deficient number, since it is larger than the sum of its proper divisors (24844863).

74380641 is a wasteful number, since it uses less digits than its factorization.

74380641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12831.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 74380641 is about 8624.4211979703. The cubic root of 74380641 is about 420.5522610380.

Adding to 74380641 its reverse (14608347), we get a palindrome (88988988).

The spelling of 74380641 in words is "seventy-four million, three hundred eighty thousand, six hundred forty-one".