74435739 has 8 divisors (see below), whose sum is σ = 113425920. Its totient is φ = 42534696.

The previous prime is 74435729. The next prime is 74435821. The reversal of 74435739 is 93753447.

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

It is not a de Polignac number, because 74435739 - 2⁴ = 74435723 is a prime.

It is a super-2 number, since 2×74435739² = 11081358480952242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74435739.

It is not an unprimeable number, because it can be changed into a prime (74435719) 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, 1772259 + ... + 1772300.

It is an arithmetic number, because the mean of its divisors is an integer number (14178240).

Almost surely, 2^74435739 is an apocalyptic number.

74435739 is a deficient number, since it is larger than the sum of its proper divisors (38990181).

74435739 is a wasteful number, since it uses less digits than its factorization.

74435739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544569.

The product of its digits is 317520, while the sum is 42.

The square root of 74435739 is about 8627.6149079569. The cubic root of 74435739 is about 420.6560777884.

The spelling of 74435739 in words is "seventy-four million, four hundred thirty-five thousand, seven hundred thirty-nine".