42707534 has 4 divisors (see below), whose sum is σ = 64061304. Its totient is φ = 21353766.

The previous prime is 42707531. The next prime is 42707551. The reversal of 42707534 is 43570724.

42707534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×42707534² = 3647866920722312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42707534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42707531) 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 as a sum of consecutive naturals, namely, 10676882 + ... + 10676885.

It is an arithmetic number, because the mean of its divisors is an integer number (16015326).

Almost surely, 2^42707534 is an apocalyptic number.

42707534 is a deficient number, since it is larger than the sum of its proper divisors (21353770).

42707534 is a wasteful number, since it uses less digits than its factorization.

42707534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21353769.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 42707534 is about 6535.1001522547. The cubic root of 42707534 is about 349.5437156185.

The spelling of 42707534 in words is "forty-two million, seven hundred seven thousand, five hundred thirty-four".