900680761 has 4 divisors (see below), whose sum is σ = 900811300. Its totient is φ = 900550224.

The previous prime is 900680749. The next prime is 900680773. The reversal of 900680761 is 167086009.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (900680749) and next prime (900680773).

It can be written as a sum of positive squares in 2 ways, for example, as 694586025 + 206094736 = 26355^2 + 14356^2 .

It is a cyclic number.

It is not a de Polignac number, because 900680761 - 2⁷ = 900680633 is a prime.

It is a super-3 number, since 3×900680761³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 900680761.

It is not an unprimeable number, because it can be changed into a prime (900680701) 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, 54306 + ... + 68923.

It is an arithmetic number, because the mean of its divisors is an integer number (225202825).

Almost surely, 2^900680761 is an apocalyptic number.

It is an amenable number.

900680761 is a deficient number, since it is larger than the sum of its proper divisors (130539).

900680761 is a wasteful number, since it uses less digits than its factorization.

900680761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130538.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 900680761 is about 30011.3438719428. The cubic root of 900680761 is about 965.7327556683.

The spelling of 900680761 in words is "nine hundred million, six hundred eighty thousand, seven hundred sixty-one".