63290730 has 32 divisors (see below), whose sum is σ = 152928000. Its totient is φ = 16763072.

The previous prime is 63290713. The next prime is 63290743. The reversal of 63290730 is 3709236.

It is a happy number.

It is a super-3 number, since 3×63290730³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2610 + ... + 11549.

It is an arithmetic number, because the mean of its divisors is an integer number (4779000).

Almost surely, 2^63290730 is an apocalyptic number.

63290730 is an abundant number, since it is smaller than the sum of its proper divisors (89637270).

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

63290730 is a wasteful number, since it uses less digits than its factorization.

63290730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14318.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 63290730 is about 7955.5471213487. The cubic root of 63290730 is about 398.5168617155.

Adding to 63290730 its reverse (3709236), we get a palindrome (66999966).

The spelling of 63290730 in words is "sixty-three million, two hundred ninety thousand, seven hundred thirty".