73140897 has 16 divisors (see below), whose sum is σ = 104515200. Its totient is φ = 45378432.

The previous prime is 73140889. The next prime is 73140913. The reversal of 73140897 is 79804137.

It is not a de Polignac number, because 73140897 - 2³ = 73140889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73140497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11772 + ... + 16877.

It is an arithmetic number, because the mean of its divisors is an integer number (6532200).

Almost surely, 2^73140897 is an apocalyptic number.

It is an amenable number.

73140897 is a deficient number, since it is larger than the sum of its proper divisors (31374303).

73140897 is a wasteful number, since it uses less digits than its factorization.

73140897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28712.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 73140897 is about 8552.2451438204. The cubic root of 73140897 is about 418.2026310129.

The spelling of 73140897 in words is "seventy-three million, one hundred forty thousand, eight hundred ninety-seven".