476720761 has 6 divisors (see below), whose sum is σ = 523998986. Its totient is φ = 433382400.

The previous prime is 476720737. The next prime is 476720791. The reversal of 476720761 is 167027674.

It can be written as a sum of positive squares in only one way, i.e., 457746025 + 18974736 = 21395^2 + 4356^2 .

It is not a de Polignac number, because 476720761 - 2⁹ = 476720249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (476720791) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1969800 + ... + 1970041.

Almost surely, 2^476720761 is an apocalyptic number.

It is an amenable number.

476720761 is a deficient number, since it is larger than the sum of its proper divisors (47278225).

476720761 is a wasteful number, since it uses less digits than its factorization.

476720761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939863 (or 3939852 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 476720761 is about 21833.9359942270. The cubic root of 476720761 is about 781.1864264344.

It can be divided in two parts, 476720 and 761, that added together give a square (477481 = 691²).

The spelling of 476720761 in words is "four hundred seventy-six million, seven hundred twenty thousand, seven hundred sixty-one".