42308782 has 32 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 19410048.

The previous prime is 42308779. The next prime is 42308803. The reversal of 42308782 is 28780324.

42308782 is a Rhonda number in base 8.

It is a congruent number.

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, 253263 + ... + 253429.

It is an arithmetic number, because the mean of its divisors is an integer number (2154600).

Almost surely, 2^42308782 is an apocalyptic number.

42308782 is a deficient number, since it is larger than the sum of its proper divisors (26638418).

42308782 is a wasteful number, since it uses less digits than its factorization.

42308782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 42308782 is about 6504.5201206546. The cubic root of 42308782 is about 348.4524381257.

The spelling of 42308782 in words is "forty-two million, three hundred eight thousand, seven hundred eighty-two".