76464545 has 4 divisors (see below), whose sum is σ = 91757460. Its totient is φ = 61171632.

The previous prime is 76464529. The next prime is 76464559. The reversal of 76464545 is 54546467.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15124321 + 61340224 = 3889^2 + 7832^2 .

It is a cyclic number.

It is not a de Polignac number, because 76464545 - 2⁴ = 76464529 is a prime.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 7646450 + ... + 7646459.

It is an arithmetic number, because the mean of its divisors is an integer number (22939365).

Almost surely, 2^76464545 is an apocalyptic number.

It is an amenable number.

76464545 is a deficient number, since it is larger than the sum of its proper divisors (15292915).

76464545 is a wasteful number, since it uses less digits than its factorization.

76464545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15292914.

The product of its digits is 403200, while the sum is 41.

The square root of 76464545 is about 8744.4007799277. The cubic root of 76464545 is about 424.4436457141.

The spelling of 76464545 in words is "seventy-six million, four hundred sixty-four thousand, five hundred forty-five".