73256977 has 2 divisors, whose sum is σ = 73256978. Its totient is φ = 73256976.

The previous prime is 73256969. The next prime is 73257053. The reversal of 73256977 is 77965237.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72318016 + 938961 = 8504^2 + 969^2 .

It is a cyclic number.

It is not a de Polignac number, because 73256977 - 2³ = 73256969 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73256917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36628488 + 36628489.

It is an arithmetic number, because the mean of its divisors is an integer number (36628489).

Almost surely, 2^73256977 is an apocalyptic number.

It is an amenable number.

73256977 is a deficient number, since it is larger than the sum of its proper divisors (1).

73256977 is an equidigital number, since it uses as much as digits as its factorization.

73256977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 555660, while the sum is 46.

The square root of 73256977 is about 8559.0289752985. The cubic root of 73256977 is about 418.4237535519.

The spelling of 73256977 in words is "seventy-three million, two hundred fifty-six thousand, nine hundred seventy-seven".