73243597 has 4 divisors (see below), whose sum is σ = 83706976. Its totient is φ = 62780220.

The previous prime is 73243591. The next prime is 73243619. The reversal of 73243597 is 79534237.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79534237 = 1667 ⋅47711.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73243597 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 (73243591) 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, 5231679 + ... + 5231692.

It is an arithmetic number, because the mean of its divisors is an integer number (20926744).

Almost surely, 2^73243597 is an apocalyptic number.

It is an amenable number.

73243597 is a deficient number, since it is larger than the sum of its proper divisors (10463379).

73243597 is a wasteful number, since it uses less digits than its factorization.

73243597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10463378.

The product of its digits is 158760, while the sum is 40.

The square root of 73243597 is about 8558.2473088828. The cubic root of 73243597 is about 418.3982777045.

The spelling of 73243597 in words is "seventy-three million, two hundred forty-three thousand, five hundred ninety-seven".