475540634 has 4 divisors (see below), whose sum is σ = 713310954. Its totient is φ = 237770316.

The previous prime is 475540631. The next prime is 475540669. The reversal of 475540634 is 436045574.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 405901609 + 69639025 = 20147^2 + 8345^2 .

It is a super-2 number, since 2×475540634² = 452277789170243912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (475540631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118885157 + ... + 118885160.

Almost surely, 2^475540634 is an apocalyptic number.

475540634 is a deficient number, since it is larger than the sum of its proper divisors (237770320).

475540634 is a wasteful number, since it uses less digits than its factorization.

475540634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237770319.

The product of its (nonzero) digits is 201600, while the sum is 38.

The square root of 475540634 is about 21806.8941850966. The cubic root of 475540634 is about 780.5412821900.

The spelling of 475540634 in words is "four hundred seventy-five million, five hundred forty thousand, six hundred thirty-four".