73126865 has 12 divisors (see below), whose sum is σ = 102079476. Its totient is φ = 50143968.

The previous prime is 73126849. The next prime is 73126873. The reversal of 73126865 is 56862137.

It can be written as a sum of positive squares in 2 ways, for example, as 56415121 + 16711744 = 7511^2 + 4088^2 .

It is not a de Polignac number, because 73126865 - 2⁴ = 73126849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148994 + ... + 149483.

It is an arithmetic number, because the mean of its divisors is an integer number (8506623).

Almost surely, 2^73126865 is an apocalyptic number.

It is an amenable number.

73126865 is a deficient number, since it is larger than the sum of its proper divisors (28952611).

73126865 is a wasteful number, since it uses less digits than its factorization.

73126865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298496 (or 298489 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 73126865 is about 8551.4247350953. The cubic root of 73126865 is about 418.1758853987.

The spelling of 73126865 in words is "seventy-three million, one hundred twenty-six thousand, eight hundred sixty-five".