490740765 has 16 divisors (see below), whose sum is σ = 819324288. Its totient is φ = 250348736.

The previous prime is 490740739. The next prime is 490740773. The reversal of 490740765 is 567047094.

It is a cyclic number.

It is not a de Polignac number, because 490740765 - 2⁷ = 490740637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710874 + ... + 711563.

It is an arithmetic number, because the mean of its divisors is an integer number (51207768).

Almost surely, 2^490740765 is an apocalyptic number.

It is an amenable number.

490740765 is a deficient number, since it is larger than the sum of its proper divisors (328583523).

490740765 is a wasteful number, since it uses less digits than its factorization.

490740765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422468.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 490740765 is about 22152.6694779659. The cubic root of 490740765 is about 788.7705948579.

The spelling of 490740765 in words is "four hundred ninety million, seven hundred forty thousand, seven hundred sixty-five".