73088649 has 20 divisors (see below), whose sum is σ = 114930640. Its totient is φ = 46160280.

The previous prime is 73088623. The next prime is 73088651. The reversal of 73088649 is 94688037.

It is a happy number.

It is not a de Polignac number, because 73088649 - 2⁹ = 73088137 is a prime.

It is a super-2 number, since 2×73088649² = 10683901225290402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73080649) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22207 + ... + 25284.

It is an arithmetic number, because the mean of its divisors is an integer number (5746532).

Almost surely, 2^73088649 is an apocalyptic number.

It is an amenable number.

73088649 is a deficient number, since it is larger than the sum of its proper divisors (41841991).

73088649 is a wasteful number, since it uses less digits than its factorization.

73088649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47522 (or 47513 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 73088649 is about 8549.1899616279. The cubic root of 73088649 is about 418.1030266560.

It can be divided in two parts, 73088 and 649, that added together give a palindrome (73737).

The spelling of 73088649 in words is "seventy-three million, eighty-eight thousand, six hundred forty-nine".