766354990 has 8 divisors (see below), whose sum is σ = 1379439000. Its totient is φ = 306541992.

The previous prime is 766354961. The next prime is 766354991. The reversal of 766354990 is 99453667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766354991) 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 3 ways as a sum of consecutive naturals, for example, 38317740 + ... + 38317759.

It is an arithmetic number, because the mean of its divisors is an integer number (172429875).

Almost surely, 2^766354990 is an apocalyptic number.

766354990 is a deficient number, since it is larger than the sum of its proper divisors (613084010).

766354990 is a wasteful number, since it uses less digits than its factorization.

766354990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76635506.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The square root of 766354990 is about 27683.1174183834. The cubic root of 766354990 is about 915.1170841642.

The spelling of 766354990 in words is "seven hundred sixty-six million, three hundred fifty-four thousand, nine hundred ninety".