76664575 has 12 divisors (see below), whose sum is σ = 102377128. Its totient is φ = 56613600.

The previous prime is 76664531. The next prime is 76664579. The reversal of 76664575 is 57546667.

It is not a de Polignac number, because 76664575 - 2¹⁹ = 76140287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76664579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117621 + ... + 118270.

Almost surely, 2^76664575 is an apocalyptic number.

76664575 is a deficient number, since it is larger than the sum of its proper divisors (25712553).

76664575 is a wasteful number, since it uses less digits than its factorization.

76664575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235914 (or 235909 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 46.

The square root of 76664575 is about 8755.8309143108. The cubic root of 76664575 is about 424.8134359929.

It can be divided in two parts, 766 and 64575, that added together give a triangular number (65341 = T₃₆₁).

The spelling of 76664575 in words is "seventy-six million, six hundred sixty-four thousand, five hundred seventy-five".