42534470 has 16 divisors (see below), whose sum is σ = 83522448. Its totient is φ = 15467040.

The previous prime is 42534463. The next prime is 42534491. The reversal of 42534470 is 7443524.

It is a super-2 number, since 2×42534470² = 3618362276361800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193229 + ... + 193448.

It is an arithmetic number, because the mean of its divisors is an integer number (5220153).

Almost surely, 2^42534470 is an apocalyptic number.

42534470 is a deficient number, since it is larger than the sum of its proper divisors (40987978).

42534470 is a wasteful number, since it uses less digits than its factorization.

42534470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386695.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 42534470 is about 6521.8455976817. The cubic root of 42534470 is about 349.0709237008.

Adding to 42534470 its reverse (7443524), we get a palindrome (49977994).

The spelling of 42534470 in words is "forty-two million, five hundred thirty-four thousand, four hundred seventy".