73530797 has 4 divisors (see below), whose sum is σ = 77856156. Its totient is φ = 69205440.

The previous prime is 73530719. The next prime is 73530827. The reversal of 73530797 is 79703537.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40018276 + 33512521 = 6326^2 + 5789^2 .

It is a cyclic number.

It is not a de Polignac number, because 73530797 - 2¹⁰ = 73529773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73530497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162654 + ... + 2162687.

It is an arithmetic number, because the mean of its divisors is an integer number (19464039).

Almost surely, 2^73530797 is an apocalyptic number.

It is an amenable number.

73530797 is a deficient number, since it is larger than the sum of its proper divisors (4325359).

73530797 is a wasteful number, since it uses less digits than its factorization.

73530797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325358.

The product of its (nonzero) digits is 138915, while the sum is 41.

The square root of 73530797 is about 8575.0100291487. The cubic root of 73530797 is about 418.9444335948.

The spelling of 73530797 in words is "seventy-three million, five hundred thirty thousand, seven hundred ninety-seven".