73245385 has 8 divisors (see below), whose sum is σ = 90270216. Its totient is φ = 57012480.

The previous prime is 73245377. The next prime is 73245391. The reversal of 73245385 is 58354237.

It can be written as a sum of positive squares in 4 ways, for example, as 2903616 + 70341769 = 1704^2 + 8387^2 .

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

It is not a de Polignac number, because 73245385 - 2³ = 73245377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 197776 + ... + 198145.

It is an arithmetic number, because the mean of its divisors is an integer number (11283777).

Almost surely, 2^73245385 is an apocalyptic number.

It is an amenable number.

73245385 is a deficient number, since it is larger than the sum of its proper divisors (17024831).

73245385 is a wasteful number, since it uses less digits than its factorization.

73245385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395963.

The product of its digits is 100800, while the sum is 37.

The square root of 73245385 is about 8558.3517688863. The cubic root of 73245385 is about 418.4016822798.

It can be divided in two parts, 73 and 245385, that multiplied together give a triangular number (17913105 = T₅₉₈₅).

The spelling of 73245385 in words is "seventy-three million, two hundred forty-five thousand, three hundred eighty-five".