42070038 has 16 divisors (see below), whose sum is σ = 86854656. Its totient is φ = 13570920.

The previous prime is 42070031. The next prime is 42070043. The reversal of 42070038 is 83007024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42070031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112906 + ... + 113277.

It is an arithmetic number, because the mean of its divisors is an integer number (5428416).

Almost surely, 2^42070038 is an apocalyptic number.

42070038 is an abundant number, since it is smaller than the sum of its proper divisors (44784618).

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

42070038 is a wasteful number, since it uses less digits than its factorization.

42070038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226219.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 42070038 is about 6486.1419965955. The cubic root of 42070038 is about 347.7957746107.

The spelling of 42070038 in words is "forty-two million, seventy thousand, thirty-eight".