42070379 has 8 divisors (see below), whose sum is σ = 46768512. Its totient is φ = 37581120.

The previous prime is 42070339. The next prime is 42070397. The reversal of 42070379 is 97307024.

It is a happy number.

42070379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42070379 - 2¹⁶ = 42004843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42070309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51794 + ... + 52599.

It is an arithmetic number, because the mean of its divisors is an integer number (5846064).

Almost surely, 2^42070379 is an apocalyptic number.

42070379 is a deficient number, since it is larger than the sum of its proper divisors (4698133).

42070379 is a wasteful number, since it uses less digits than its factorization.

42070379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104437.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 42070379 is about 6486.1682833550. The cubic root of 42070379 is about 347.7967142980.

The spelling of 42070379 in words is "forty-two million, seventy thousand, three hundred seventy-nine".