73486736 has 20 divisors (see below), whose sum is σ = 146229852. Its totient is φ = 35750016.

The previous prime is 73486729. The next prime is 73486741. The reversal of 73486736 is 63768437.

It can be written as a sum of positive squares in 2 ways, for example, as 51208336 + 22278400 = 7156^2 + 4720^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61475 + ... + 62658.

Almost surely, 2^73486736 is an apocalyptic number.

It is an amenable number.

73486736 is a deficient number, since it is larger than the sum of its proper divisors (72743116).

73486736 is a wasteful number, since it uses less digits than its factorization.

73486736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124178 (or 124172 counting only the distinct ones).

The product of its digits is 508032, while the sum is 44.

The square root of 73486736 is about 8572.4404926485. The cubic root of 73486736 is about 418.8607371498.

The spelling of 73486736 in words is "seventy-three million, four hundred eighty-six thousand, seven hundred thirty-six".