76256945 has 8 divisors (see below), whose sum is σ = 92348520. Its totient is φ = 60445440.

The previous prime is 76256933. The next prime is 76256987. The reversal of 76256945 is 54965267.

It can be written as a sum of positive squares in 4 ways, for example, as 78961 + 76177984 = 281^2 + 8728^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76256945 - 2¹⁸ = 75994801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76256896 and 76256905.

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 7 ways as a sum of consecutive naturals, for example, 69416 + ... + 70505.

It is an arithmetic number, because the mean of its divisors is an integer number (11543565).

Almost surely, 2^76256945 is an apocalyptic number.

It is an amenable number.

76256945 is a deficient number, since it is larger than the sum of its proper divisors (16091575).

76256945 is a wasteful number, since it uses less digits than its factorization.

76256945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140035.

The product of its digits is 453600, while the sum is 44.

The square root of 76256945 is about 8732.5222587750. The cubic root of 76256945 is about 424.0591783574.

The spelling of 76256945 in words is "seventy-six million, two hundred fifty-six thousand, nine hundred forty-five".