476278749 has 12 divisors (see below), whose sum is σ = 728426556. Its totient is φ = 298841472.

The previous prime is 476278741. The next prime is 476278753. The reversal of 476278749 is 947872674.

476278749 is a `hidden beast` number, since 4 + 7 + 627 + 8 + 7 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 130988025 + 345290724 = 11445^2 + 18582^2 .

It is not a de Polignac number, because 476278749 - 2³ = 476278741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 476278695 and 476278704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476278741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1556314 + ... + 1556619.

It is an arithmetic number, because the mean of its divisors is an integer number (60702213).

Almost surely, 2^476278749 is an apocalyptic number.

It is an amenable number.

476278749 is a deficient number, since it is larger than the sum of its proper divisors (252147807).

476278749 is a wasteful number, since it uses less digits than its factorization.

476278749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112956 (or 3112953 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The square root of 476278749 is about 21823.8115140321. The cubic root of 476278749 is about 780.9449149977.

The spelling of 476278749 in words is "four hundred seventy-six million, two hundred seventy-eight thousand, seven hundred forty-nine".