474687549 has 36 divisors (see below), whose sum is σ = 844535484. Its totient is φ = 255290112.

The previous prime is 474687517. The next prime is 474687559. The reversal of 474687549 is 945786474.

474687549 is a `hidden beast` number, since 474 + 68 + 75 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 181764324 + 292923225 = 13482^2 + 17115^2 .

It is not a de Polignac number, because 474687549 - 2⁵ = 474687517 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 474687495 and 474687504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474687559) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24162 + ... + 39155.

It is an arithmetic number, because the mean of its divisors is an integer number (23459319).

Almost surely, 2^474687549 is an apocalyptic number.

474687549 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

474687549 is a deficient number, since it is larger than the sum of its proper divisors (369847935).

474687549 is a wasteful number, since it uses less digits than its factorization.

474687549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63354 (or 63344 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The square root of 474687549 is about 21787.3254209873. The cubic root of 474687549 is about 780.0742582162.

The spelling of 474687549 in words is "four hundred seventy-four million, six hundred eighty-seven thousand, five hundred forty-nine".