42746878 has 8 divisors (see below), whose sum is σ = 64841040. Its totient is φ = 21133200.

The previous prime is 42746863. The next prime is 42746897. The reversal of 42746878 is 87864724.

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

It is a super-3 number, since 3×42746878³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119898 + ... + 120253.

It is an arithmetic number, because the mean of its divisors is an integer number (8105130).

Almost surely, 2^42746878 is an apocalyptic number.

42746878 is a deficient number, since it is larger than the sum of its proper divisors (22094162).

42746878 is a wasteful number, since it uses less digits than its factorization.

42746878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240242.

The product of its digits is 602112, while the sum is 46.

The square root of 42746878 is about 6538.1096656450. The cubic root of 42746878 is about 349.6510208619.

The spelling of 42746878 in words is "forty-two million, seven hundred forty-six thousand, eight hundred seventy-eight".