766630501 has 32 divisors (see below), whose sum is σ = 959616000. Its totient is φ = 596332800.

The previous prime is 766630481. The next prime is 766630507. The reversal of 766630501 is 105036667.

It is a happy number.

It is not a de Polignac number, because 766630501 - 2⁹ = 766629989 is a prime.

It is a super-2 number, since 2×766630501² = 1175444650127022002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766630507) 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 31 ways as a sum of consecutive naturals, for example, 2196475 + ... + 2196823.

It is an arithmetic number, because the mean of its divisors is an integer number (29988000).

Almost surely, 2^766630501 is an apocalyptic number.

It is an amenable number.

766630501 is a deficient number, since it is larger than the sum of its proper divisors (192985499).

766630501 is a wasteful number, since it uses less digits than its factorization.

766630501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 766630501 is about 27688.0931268298. The cubic root of 766630501 is about 915.2267350956.

The spelling of 766630501 in words is "seven hundred sixty-six million, six hundred thirty thousand, five hundred one".