73231697 has 8 divisors (see below), whose sum is σ = 91301952. Its totient is φ = 57063600.

The previous prime is 73231693. The next prime is 73231721. The reversal of 73231697 is 79613237.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73231697 - 2² = 73231693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73231697.

It is not an unprimeable number, because it can be changed into a prime (73231693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475454 + ... + 475607.

It is an arithmetic number, because the mean of its divisors is an integer number (11412744).

Almost surely, 2^73231697 is an apocalyptic number.

73231697 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

73231697 is a deficient number, since it is larger than the sum of its proper divisors (18070255).

73231697 is a wasteful number, since it uses less digits than its factorization.

73231697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951079.

The product of its digits is 47628, while the sum is 38.

The square root of 73231697 is about 8557.5520448315. The cubic root of 73231697 is about 418.3756172064.

The spelling of 73231697 in words is "seventy-three million, two hundred thirty-one thousand, six hundred ninety-seven".