415642730 has 32 divisors (see below), whose sum is σ = 790276608. Its totient is φ = 157147200.

The previous prime is 415642693. The next prime is 415642763. The reversal of 415642730 is 37246514.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 2261 + ... + 28920.

It is an arithmetic number, because the mean of its divisors is an integer number (24696144).

Almost surely, 2^415642730 is an apocalyptic number.

415642730 is a deficient number, since it is larger than the sum of its proper divisors (374633878).

415642730 is a wasteful number, since it uses less digits than its factorization.

415642730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31262.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 415642730 is about 20387.3178716574. The cubic root of 415642730 is about 746.2884659478.

The spelling of 415642730 in words is "four hundred fifteen million, six hundred forty-two thousand, seven hundred thirty".