42070470 has 32 divisors (see below), whose sum is σ = 108736992. Its totient is φ = 10355712.

The previous prime is 42070451. The next prime is 42070471. The reversal of 42070470 is 7407024.

It is a self number, because there is not a number n which added to its sum of digits gives 42070470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42070471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53547 + ... + 54326.

It is an arithmetic number, because the mean of its divisors is an integer number (3398031).

Almost surely, 2^42070470 is an apocalyptic number.

42070470 is an abundant number, since it is smaller than the sum of its proper divisors (66666522).

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

42070470 is a wasteful number, since it uses less digits than its factorization.

42070470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107896.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 42070470 is about 6486.1752982786. The cubic root of 42070470 is about 347.7969650641.

Adding to 42070470 its reverse (7407024), we get a palindrome (49477494).

The spelling of 42070470 in words is "forty-two million, seventy thousand, four hundred seventy".