76664750 has 64 divisors (see below), whose sum is σ = 152755200. Its totient is φ = 28749600.

The previous prime is 76664741. The next prime is 76664759. The reversal of 76664750 is 5746667.

It is an interprime number because it is at equal distance from previous prime (76664741) and next prime (76664759).

It is a junction number, because it is equal to n+sod(n) for n = 76664698 and 76664707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76664759) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385151 + ... + 385349.

It is an arithmetic number, because the mean of its divisors is an integer number (2386800).

Almost surely, 2^76664750 is an apocalyptic number.

76664750 is a deficient number, since it is larger than the sum of its proper divisors (76090450).

76664750 is a wasteful number, since it uses less digits than its factorization.

76664750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 76664750 is about 8755.8409076456. The cubic root of 76664750 is about 424.8137592291.

The spelling of 76664750 in words is "seventy-six million, six hundred sixty-four thousand, seven hundred fifty".