73246649 has 4 divisors (see below), whose sum is σ = 83710464. Its totient is φ = 62782836.

The previous prime is 73246609. The next prime is 73246681. The reversal of 73246649 is 94664237.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73246649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73246609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5231897 + ... + 5231910.

It is an arithmetic number, because the mean of its divisors is an integer number (20927616).

Almost surely, 2^73246649 is an apocalyptic number.

It is an amenable number.

73246649 is a deficient number, since it is larger than the sum of its proper divisors (10463815).

73246649 is a wasteful number, since it uses less digits than its factorization.

73246649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10463814.

The product of its digits is 217728, while the sum is 41.

The square root of 73246649 is about 8558.4256145625. The cubic root of 73246649 is about 418.4040890603.

The spelling of 73246649 in words is "seventy-three million, two hundred forty-six thousand, six hundred forty-nine".