74134889086 has 4 divisors (see below), whose sum is σ = 111202333632. Its totient is φ = 37067444542.

The previous prime is 74134889083. The next prime is 74134889089. The reversal of 74134889086 is 68098843147.

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

It is an interprime number because it is at equal distance from previous prime (74134889083) and next prime (74134889089).

It is a self number, because there is not a number n which added to its sum of digits gives 74134889086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74134889083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18533722270 + ... + 18533722273.

It is an arithmetic number, because the mean of its divisors is an integer number (27800583408).

Almost surely, 2^74134889086 is an apocalyptic number.

74134889086 is a deficient number, since it is larger than the sum of its proper divisors (37067444546).

74134889086 is a wasteful number, since it uses less digits than its factorization.

74134889086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37067444545.

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 74134889086 in words is "seventy-four billion, one hundred thirty-four million, eight hundred eighty-nine thousand, eighty-six".