73130297 has 6 divisors (see below), whose sum is σ = 77182218. Its totient is φ = 69280992.

The previous prime is 73130293. The next prime is 73130339. The reversal of 73130297 is 79203137.

It can be written as a sum of positive squares in only one way, i.e., 64899136 + 8231161 = 8056^2 + 2869^2 .

It is not a de Polignac number, because 73130297 - 2² = 73130293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73130293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100928 + ... + 101649.

It is an arithmetic number, because the mean of its divisors is an integer number (12863703).

Almost surely, 2^73130297 is an apocalyptic number.

It is an amenable number.

73130297 is a deficient number, since it is larger than the sum of its proper divisors (4051921).

73130297 is a wasteful number, since it uses less digits than its factorization.

73130297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202615 (or 202596 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 73130297 is about 8551.6254010568. The cubic root of 73130297 is about 418.1824272590.

The spelling of 73130297 in words is "seventy-three million, one hundred thirty thousand, two hundred ninety-seven".