73245969 has 12 divisors (see below), whose sum is σ = 111368400. Its totient is φ = 46260504.

The previous prime is 73245959. The next prime is 73245971. The reversal of 73245969 is 96954237.

It is a happy number.

It is not a de Polignac number, because 73245969 - 2⁸ = 73245713 is a prime.

It is a super-2 number, since 2×73245969² = 10729943949497922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (73245959) 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, 213999 + ... + 214340.

It is an arithmetic number, because the mean of its divisors is an integer number (9280700).

Almost surely, 2^73245969 is an apocalyptic number.

It is an amenable number.

73245969 is a deficient number, since it is larger than the sum of its proper divisors (38122431).

73245969 is a wasteful number, since it uses less digits than its factorization.

73245969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428364 (or 428361 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 73245969 is about 8558.3858875374. The cubic root of 73245969 is about 418.4027942768.

The spelling of 73245969 in words is "seventy-three million, two hundred forty-five thousand, nine hundred sixty-nine".