74153169494 has 8 divisors (see below), whose sum is σ = 111233531640. Its totient is φ = 37075325616.

The previous prime is 74153169491. The next prime is 74153169551. The reversal of 74153169494 is 49496135147.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74153169491) 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, 554144 + ... + 674819.

It is an arithmetic number, because the mean of its divisors is an integer number (13904191455).

Almost surely, 2^74153169494 is an apocalyptic number.

74153169494 is a deficient number, since it is larger than the sum of its proper divisors (37080362146).

74153169494 is a wasteful number, since it uses less digits than its factorization.

74153169494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259134.

The product of its digits is 3265920, while the sum is 53.

The spelling of 74153169494 in words is "seventy-four billion, one hundred fifty-three million, one hundred sixty-nine thousand, four hundred ninety-four".