73522581897 has 8 divisors (see below), whose sum is σ = 98031482560. Its totient is φ = 49014367920.

The previous prime is 73522581883. The next prime is 73522581911. The reversal of 73522581897 is 79818522537.

It is an interprime number because it is at equal distance from previous prime (73522581883) and next prime (73522581911).

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

It is not a de Polignac number, because 73522581897 - 2⁶ = 73522581833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73522581997) 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, 182604 + ... + 424722.

It is an arithmetic number, because the mean of its divisors is an integer number (12253935320).

Almost surely, 2^73522581897 is an apocalyptic number.

It is an amenable number.

73522581897 is a deficient number, since it is larger than the sum of its proper divisors (24508900663).

73522581897 is a wasteful number, since it uses less digits than its factorization.

73522581897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343343.

The product of its digits is 8467200, while the sum is 57.

The spelling of 73522581897 in words is "seventy-three billion, five hundred twenty-two million, five hundred eighty-one thousand, eight hundred ninety-seven".