42762478 has 16 divisors (see below), whose sum is σ = 70076160. Its totient is φ = 19409400.

The previous prime is 42762457. The next prime is 42762481. The reversal of 42762478 is 87426724.

It is a self number, because there is not a number n which added to its sum of digits gives 42762478.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26293 + ... + 27871.

It is an arithmetic number, because the mean of its divisors is an integer number (4379760).

Almost surely, 2^42762478 is an apocalyptic number.

42762478 is a deficient number, since it is larger than the sum of its proper divisors (27313682).

42762478 is a wasteful number, since it uses less digits than its factorization.

42762478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823.

The product of its digits is 150528, while the sum is 40.

The square root of 42762478 is about 6539.3025622003. The cubic root of 42762478 is about 349.6935494456.

The spelling of 42762478 in words is "forty-two million, seven hundred sixty-two thousand, four hundred seventy-eight".