73223577 has 12 divisors (see below), whose sum is σ = 120877120. Its totient is φ = 41842008.

The previous prime is 73223569. The next prime is 73223609. The reversal of 73223577 is 77532237.

It is not a de Polignac number, because 73223577 - 2³ = 73223569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73223537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 581077 + ... + 581202.

Almost surely, 2^73223577 is an apocalyptic number.

It is an amenable number.

73223577 is a deficient number, since it is larger than the sum of its proper divisors (47653543).

73223577 is a wasteful number, since it uses less digits than its factorization.

73223577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162292 (or 1162289 counting only the distinct ones).

The product of its digits is 61740, while the sum is 36.

The square root of 73223577 is about 8557.0775969369. The cubic root of 73223577 is about 418.3601533398.

The spelling of 73223577 in words is "seventy-three million, two hundred twenty-three thousand, five hundred seventy-seven".