74115073623 has 4 divisors (see below), whose sum is σ = 98820098168. Its totient is φ = 49410049080.

The previous prime is 74115073619. The next prime is 74115073649. The reversal of 74115073623 is 32637051147.

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

It is not a de Polignac number, because 74115073623 - 2² = 74115073619 is a prime.

It is a super-2 number, since 2×74115073623² (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 (74115073673) 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, 12352512268 + ... + 12352512273.

It is an arithmetic number, because the mean of its divisors is an integer number (24705024542).

Almost surely, 2^74115073623 is an apocalyptic number.

74115073623 is a deficient number, since it is larger than the sum of its proper divisors (24705024545).

74115073623 is a wasteful number, since it uses less digits than its factorization.

74115073623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24705024544.

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 74115073623 in words is "seventy-four billion, one hundred fifteen million, seventy-three thousand, six hundred twenty-three".