74440742 has 8 divisors (see below), whose sum is σ = 116516016. Its totient is φ = 35602072.

The previous prime is 74440721. The next prime is 74440747. The reversal of 74440742 is 24704447.

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

It is a junction number, because it is equal to n+sod(n) for n = 74440699 and 74440708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74440747) 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, 809093 + ... + 809184.

It is an arithmetic number, because the mean of its divisors is an integer number (14564502).

Almost surely, 2^74440742 is an apocalyptic number.

74440742 is a deficient number, since it is larger than the sum of its proper divisors (42075274).

74440742 is a wasteful number, since it uses less digits than its factorization.

74440742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618302.

The product of its (nonzero) digits is 25088, while the sum is 32.

The square root of 74440742 is about 8627.9048441670. The cubic root of 74440742 is about 420.6655020034.

The spelling of 74440742 in words is "seventy-four million, four hundred forty thousand, seven hundred forty-two".