73286545 has 8 divisors (see below), whose sum is σ = 89603496. Its totient is φ = 57522816.

The previous prime is 73286537. The next prime is 73286569. The reversal of 73286545 is 54568237.

It can be written as a sum of positive squares in 4 ways, for example, as 12306064 + 60980481 = 3508^2 + 7809^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 73286545 - 2³ = 73286537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73286498 and 73286507.

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, 138012 + ... + 138541.

It is an arithmetic number, because the mean of its divisors is an integer number (11200437).

Almost surely, 2^73286545 is an apocalyptic number.

It is an amenable number.

73286545 is a deficient number, since it is larger than the sum of its proper divisors (16316951).

73286545 is a wasteful number, since it uses less digits than its factorization.

73286545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276611.

The product of its digits is 201600, while the sum is 40.

The square root of 73286545 is about 8560.7560997846. The cubic root of 73286545 is about 418.4800407475.

The spelling of 73286545 in words is "seventy-three million, two hundred eighty-six thousand, five hundred forty-five".