73090845 has 12 divisors (see below), whose sum is σ = 126690876. Its totient is φ = 38981760.

The previous prime is 73090813. The next prime is 73090847. The reversal of 73090845 is 54809037.

It can be written as a sum of positive squares in 2 ways, for example, as 13461561 + 59629284 = 3669^2 + 7722^2 .

It is not a de Polignac number, because 73090845 - 2⁵ = 73090813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73090847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 812076 + ... + 812165.

It is an arithmetic number, because the mean of its divisors is an integer number (10557573).

Almost surely, 2^73090845 is an apocalyptic number.

It is an amenable number.

73090845 is a deficient number, since it is larger than the sum of its proper divisors (53600031).

73090845 is a wasteful number, since it uses less digits than its factorization.

73090845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624252 (or 1624249 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 73090845 is about 8549.3183938838. The cubic root of 73090845 is about 418.1072140142.

The spelling of 73090845 in words is "seventy-three million, ninety thousand, eight hundred forty-five".