73744297085 has 16 divisors (see below), whose sum is σ = 89722080000. Its totient is φ = 58177968576.

The previous prime is 73744297063. The next prime is 73744297091. The reversal of 73744297085 is 58079244737.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 73744297085 - 2³⁴ = 56564427901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73744297085.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213791 + ... + 439539.

It is an arithmetic number, because the mean of its divisors is an integer number (5607630000).

Almost surely, 2^73744297085 is an apocalyptic number.

It is an amenable number.

73744297085 is a deficient number, since it is larger than the sum of its proper divisors (15977782915).

73744297085 is a wasteful number, since it uses less digits than its factorization.

73744297085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226660.

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 73744297085 in words is "seventy-three billion, seven hundred forty-four million, two hundred ninety-seven thousand, eighty-five".