73730285 has 8 divisors (see below), whose sum is σ = 88534296. Its totient is φ = 58945600.

The previous prime is 73730269. The next prime is 73730291. The reversal of 73730285 is 58203737.

It can be written as a sum of positive squares in 4 ways, for example, as 4541161 + 69189124 = 2131^2 + 8318^2 .

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

It is not a de Polignac number, because 73730285 - 2⁴ = 73730269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5627 + ... + 13383.

It is an arithmetic number, because the mean of its divisors is an integer number (11066787).

Almost surely, 2^73730285 is an apocalyptic number.

It is an amenable number.

73730285 is a deficient number, since it is larger than the sum of its proper divisors (14804011).

73730285 is a wasteful number, since it uses less digits than its factorization.

73730285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9663.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 73730285 is about 8586.6340902591. The cubic root of 73730285 is about 419.3229549110.

The spelling of 73730285 in words is "seventy-three million, seven hundred thirty thousand, two hundred eighty-five".