73307256 has 64 divisors (see below), whose sum is σ = 208638720. Its totient is φ = 21246720.

The previous prime is 73307239. The next prime is 73307261. The reversal of 73307256 is 65270337.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36 + ... + 12108.

It is an arithmetic number, because the mean of its divisors is an integer number (3259980).

Almost surely, 2^73307256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73307256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104319360).

73307256 is an abundant number, since it is smaller than the sum of its proper divisors (135331464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73307256 is a wasteful number, since it uses less digits than its factorization.

73307256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12116 (or 12112 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 73307256 is about 8561.9656621596. The cubic root of 73307256 is about 418.5194582777.

The spelling of 73307256 in words is "seventy-three million, three hundred seven thousand, two hundred fifty-six".