475544630 has 32 divisors (see below), whose sum is σ = 946604448. Its totient is φ = 170553600.

The previous prime is 475544623. The next prime is 475544633. The reversal of 475544630 is 36445574.

It is a happy number.

It is a super-2 number, since 2×475544630² = 452285390243673800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475544633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21581 + ... + 37640.

It is an arithmetic number, because the mean of its divisors is an integer number (29581389).

Almost surely, 2^475544630 is an apocalyptic number.

475544630 is a deficient number, since it is larger than the sum of its proper divisors (471059818).

475544630 is a wasteful number, since it uses less digits than its factorization.

475544630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59312.

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

The square root of 475544630 is about 21806.9858073050. The cubic root of 475544630 is about 780.5434684976.

The spelling of 475544630 in words is "four hundred seventy-five million, five hundred forty-four thousand, six hundred thirty".