73145814 has 32 divisors (see below), whose sum is σ = 167456256. Its totient is φ = 20865600.

The previous prime is 73145789. The next prime is 73145827. The reversal of 73145814 is 41854137.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39714 + ... + 41514.

It is an arithmetic number, because the mean of its divisors is an integer number (5233008).

Almost surely, 2^73145814 is an apocalyptic number.

73145814 is an abundant number, since it is smaller than the sum of its proper divisors (94310442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73145814 is a wasteful number, since it uses less digits than its factorization.

73145814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780.

The product of its digits is 13440, while the sum is 33.

The square root of 73145814 is about 8552.5326073626. The cubic root of 73145814 is about 418.2120022235.

The spelling of 73145814 in words is "seventy-three million, one hundred forty-five thousand, eight hundred fourteen".