74079743 has 16 divisors (see below), whose sum is σ = 78545376. Its totient is φ = 69788160.

The previous prime is 74079713. The next prime is 74079781. The reversal of 74079743 is 34797047.

It is a cyclic number.

It is not a de Polignac number, because 74079743 - 2⁸ = 74079487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

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 74079743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74079703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158396 + ... + 158862.

It is an arithmetic number, because the mean of its divisors is an integer number (4909086).

Almost surely, 2^74079743 is an apocalyptic number.

74079743 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

74079743 is a deficient number, since it is larger than the sum of its proper divisors (4465633).

74079743 is a wasteful number, since it uses less digits than its factorization.

74079743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 74079743 is about 8606.9589867734. The cubic root of 74079743 is about 419.9843966237.

The spelling of 74079743 in words is "seventy-four million, seventy-nine thousand, seven hundred forty-three".