73256730 has 32 divisors (see below), whose sum is σ = 178702848. Its totient is φ = 19214400.

The previous prime is 73256699. The next prime is 73256731. The reversal of 73256730 is 3765237.

It is a junction number, because it is equal to n+sod(n) for n = 73256691 and 73256700.

It is not an unprimeable number, because it can be changed into a prime (73256731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18186 + ... + 21845.

It is an arithmetic number, because the mean of its divisors is an integer number (5584464).

Almost surely, 2^73256730 is an apocalyptic number.

73256730 is an abundant number, since it is smaller than the sum of its proper divisors (105446118).

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

73256730 is a wasteful number, since it uses less digits than its factorization.

73256730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40102.

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

The square root of 73256730 is about 8559.0145460795. The cubic root of 73256730 is about 418.4232832859.

The spelling of 73256730 in words is "seventy-three million, two hundred fifty-six thousand, seven hundred thirty".