74144738 has 8 divisors (see below), whose sum is σ = 111257280. Its totient is φ = 37058980.

The previous prime is 74144723. The next prime is 74144753. The reversal of 74144738 is 83744147.

It is an interprime number because it is at equal distance from previous prime (74144723) and next prime (74144753).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3083 + ... + 12561.

It is an arithmetic number, because the mean of its divisors is an integer number (13907160).

Almost surely, 2^74144738 is an apocalyptic number.

74144738 is a deficient number, since it is larger than the sum of its proper divisors (37112542).

74144738 is a wasteful number, since it uses less digits than its factorization.

74144738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13392.

The product of its digits is 75264, while the sum is 38.

The square root of 74144738 is about 8610.7338827768. The cubic root of 74144738 is about 420.1071873063.

The spelling of 74144738 in words is "seventy-four million, one hundred forty-four thousand, seven hundred thirty-eight".