73282730 has 8 divisors (see below), whose sum is σ = 131908932. Its totient is φ = 29313088.

The previous prime is 73282723. The next prime is 73282747. The reversal of 73282730 is 3728237.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61011721 + 12271009 = 7811^2 + 3503^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3664127 + ... + 3664146.

Almost surely, 2^73282730 is an apocalyptic number.

73282730 is a deficient number, since it is larger than the sum of its proper divisors (58626202).

73282730 is a wasteful number, since it uses less digits than its factorization.

73282730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7328280.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 73282730 is about 8560.5332777812. The cubic root of 73282730 is about 418.4727791642.

The spelling of 73282730 in words is "seventy-three million, two hundred eighty-two thousand, seven hundred thirty".