74000743 has 4 divisors (see below), whose sum is σ = 74048400. Its totient is φ = 73953088.

The previous prime is 74000723. The next prime is 74000749. The reversal of 74000743 is 34700047.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74000743 is a prime.

It is a super-2 number, since 2×74000743² = 10952219929104098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74000749) 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, 21418 + ... + 24631.

It is an arithmetic number, because the mean of its divisors is an integer number (18512100).

Almost surely, 2^74000743 is an apocalyptic number.

74000743 is a deficient number, since it is larger than the sum of its proper divisors (47657).

74000743 is a wasteful number, since it uses less digits than its factorization.

74000743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47656.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 74000743 is about 8602.3684529320. The cubic root of 74000743 is about 419.8350504951.

It can be divided in two parts, 7400074 and 3, that multiplied together give a palindrome (22200222).

The spelling of 74000743 in words is "seventy-four million, seven hundred forty-three", and thus it is an aban number.