42706938 has 8 divisors (see below), whose sum is σ = 85413888. Its totient is φ = 14235644.

The previous prime is 42706921. The next prime is 42706943. The reversal of 42706938 is 83960724.

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

42706938 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42706896 and 42706905.

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, 3558906 + ... + 3558917.

It is an arithmetic number, because the mean of its divisors is an integer number (10676736).

Almost surely, 2^42706938 is an apocalyptic number.

42706938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42706938 is a wasteful number, since it uses less digits than its factorization.

42706938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7117828.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 42706938 is about 6535.0545521824. The cubic root of 42706938 is about 349.5420896054.

The spelling of 42706938 in words is "forty-two million, seven hundred six thousand, nine hundred thirty-eight".