74776442231 has 8 divisors (see below), whose sum is σ = 75150301824. Its totient is φ = 74403438520.

The previous prime is 74776442219. The next prime is 74776442291. The reversal of 74776442231 is 13224467747.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74776442231 is a prime.

It is a super-2 number, since 2×74776442231² (a number of 23 digits) 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 (74776442291) 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, 38441 + ... + 388626.

It is an arithmetic number, because the mean of its divisors is an integer number (9393787728).

Almost surely, 2^74776442231 is an apocalyptic number.

74776442231 is a deficient number, since it is larger than the sum of its proper divisors (373859593).

74776442231 is a wasteful number, since it uses less digits than its factorization.

74776442231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427941.

The product of its digits is 1580544, while the sum is 47.

The spelling of 74776442231 in words is "seventy-four billion, seven hundred seventy-six million, four hundred forty-two thousand, two hundred thirty-one".