74251743 has 4 divisors (see below), whose sum is σ = 99002328. Its totient is φ = 49501160.

The previous prime is 74251703. The next prime is 74251757. The reversal of 74251743 is 34715247.

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

It is a cyclic number.

It is not a de Polignac number, because 74251743 - 2⁶ = 74251679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74251703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12375288 + ... + 12375293.

It is an arithmetic number, because the mean of its divisors is an integer number (24750582).

Almost surely, 2^74251743 is an apocalyptic number.

74251743 is a deficient number, since it is larger than the sum of its proper divisors (24750585).

74251743 is a wasteful number, since it uses less digits than its factorization.

74251743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24750584.

The product of its digits is 23520, while the sum is 33.

The square root of 74251743 is about 8616.9451083316. The cubic root of 74251743 is about 420.3091884309.

The spelling of 74251743 in words is "seventy-four million, two hundred fifty-one thousand, seven hundred forty-three".