766533490 has 16 divisors (see below), whose sum is σ = 1387471680. Its totient is φ = 304899760.

The previous prime is 766533463. The next prime is 766533563. The reversal of 766533490 is 94335667.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 212326 + ... + 215905.

It is an arithmetic number, because the mean of its divisors is an integer number (86716980).

Almost surely, 2^766533490 is an apocalyptic number.

766533490 is a deficient number, since it is larger than the sum of its proper divisors (620938190).

766533490 is a wasteful number, since it uses less digits than its factorization.

766533490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428417.

The product of its (nonzero) digits is 408240, while the sum is 43.

The square root of 766533490 is about 27686.3412172862. The cubic root of 766533490 is about 915.1881285761.

The spelling of 766533490 in words is "seven hundred sixty-six million, five hundred thirty-three thousand, four hundred ninety".