475658730 has 160 divisors (see below), whose sum is σ = 1391132160. Its totient is φ = 116173440.

The previous prime is 475658723. The next prime is 475658737. The reversal of 475658730 is 37856574.

475658730 is a `hidden beast` number, since 4 + 7 + 565 + 87 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (475658723) and next prime (475658737).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (475658737) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 476592 + ... + 477588.

It is an arithmetic number, because the mean of its divisors is an integer number (8694576).

Almost surely, 2^475658730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475658730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695566080).

475658730 is an abundant number, since it is smaller than the sum of its proper divisors (915473430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

475658730 is a wasteful number, since it uses less digits than its factorization.

475658730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 475658730 is about 21809.6017845352. The cubic root of 475658730 is about 780.6058901801.

The spelling of 475658730 in words is "four hundred seventy-five million, six hundred fifty-eight thousand, seven hundred thirty".