74744707 has 8 divisors (see below), whose sum is σ = 77090816. Its totient is φ = 72426312.

The previous prime is 74744701. The next prime is 74744723. The reversal of 74744707 is 70744747.

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 74744707 - 2²³ = 66356099 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 74744707.

It is not an unprimeable number, because it can be changed into a prime (74744701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383 + ... + 12304.

It is an arithmetic number, because the mean of its divisors is an integer number (9636352).

Almost surely, 2^74744707 is an apocalyptic number.

74744707 is a deficient number, since it is larger than the sum of its proper divisors (2346109).

74744707 is a wasteful number, since it uses less digits than its factorization.

74744707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13857.

The product of its (nonzero) digits is 153664, while the sum is 40.

The square root of 74744707 is about 8645.5021253829. The cubic root of 74744707 is about 421.2372943598.

Adding to 74744707 its sum of digits (40), we get a palindrome (74744747).

It can be divided in two parts, 747 and 44707, that added together give a palindrome (45454).

The spelling of 74744707 in words is "seventy-four million, seven hundred forty-four thousand, seven hundred seven".