73149965 has 16 divisors (see below), whose sum is σ = 100460928. Its totient is φ = 50089536.

The previous prime is 73149953. The next prime is 73150037. The reversal of 73149965 is 56994137.

It is not a de Polignac number, because 73149965 - 2⁸ = 73149709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41594 + ... + 43316.

It is an arithmetic number, because the mean of its divisors is an integer number (6278808).

Almost surely, 2^73149965 is an apocalyptic number.

It is an amenable number.

73149965 is a deficient number, since it is larger than the sum of its proper divisors (27310963).

73149965 is a wasteful number, since it uses less digits than its factorization.

73149965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948.

The product of its digits is 204120, while the sum is 44.

The square root of 73149965 is about 8552.7752805741. The cubic root of 73149965 is about 418.2199132034.

The spelling of 73149965 in words is "seventy-three million, one hundred forty-nine thousand, nine hundred sixty-five".