42313478 has 8 divisors (see below), whose sum is σ = 63498168. Its totient is φ = 21147424.

The previous prime is 42313441. The next prime is 42313507. The reversal of 42313478 is 87431324.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 5150 + ... + 10542.

It is an arithmetic number, because the mean of its divisors is an integer number (7937271).

Almost surely, 2^42313478 is an apocalyptic number.

42313478 is a deficient number, since it is larger than the sum of its proper divisors (21184690).

42313478 is a wasteful number, since it uses less digits than its factorization.

42313478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9318.

The product of its digits is 16128, while the sum is 32.

The square root of 42313478 is about 6504.8810903813. The cubic root of 42313478 is about 348.4653296345.

The spelling of 42313478 in words is "forty-two million, three hundred thirteen thousand, four hundred seventy-eight".