74425881743 has 4 divisors (see below), whose sum is σ = 74446903608. Its totient is φ = 74404859880.

The previous prime is 74425881713. The next prime is 74425881767. The reversal of 74425881743 is 34718852447.

It is a happy number.

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 74425881743 - 2⁶ = 74425881679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74425881703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10505621 + ... + 10512702.

It is an arithmetic number, because the mean of its divisors is an integer number (18611725902).

Almost surely, 2^74425881743 is an apocalyptic number.

74425881743 is a deficient number, since it is larger than the sum of its proper divisors (21021865).

74425881743 is a wasteful number, since it uses less digits than its factorization.

74425881743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21021864.

The product of its digits is 6021120, while the sum is 53.

The spelling of 74425881743 in words is "seventy-four billion, four hundred twenty-five million, eight hundred eighty-one thousand, seven hundred forty-three".