73906045 has 8 divisors (see below), whose sum is σ = 89684280. Its totient is φ = 58460160.

The previous prime is 73905989. The next prime is 73906073. The reversal of 73906045 is 54060937.

It can be written as a sum of positive squares in 4 ways, for example, as 272484 + 73633561 = 522^2 + 8581^2 .

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

It is not a de Polignac number, because 73906045 - 2¹³ = 73897853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73906045.

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, 82596 + ... + 83485.

It is an arithmetic number, because the mean of its divisors is an integer number (11210535).

Almost surely, 2^73906045 is an apocalyptic number.

It is an amenable number.

73906045 is a deficient number, since it is larger than the sum of its proper divisors (15778235).

73906045 is a wasteful number, since it uses less digits than its factorization.

73906045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166175.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 73906045 is about 8596.8625090785. The cubic root of 73906045 is about 419.6558878309.

The spelling of 73906045 in words is "seventy-three million, nine hundred six thousand, forty-five".