42629194 has 8 divisors (see below), whose sum is σ = 64410948. Its totient is φ = 21158880.

The previous prime is 42629173. The next prime is 42629221. The reversal of 42629194 is 49192624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39225169 + 3404025 = 6263^2 + 1845^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77517 + ... + 78064.

Almost surely, 2^42629194 is an apocalyptic number.

42629194 is a deficient number, since it is larger than the sum of its proper divisors (21781754).

42629194 is a wasteful number, since it uses less digits than its factorization.

42629194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155720.

The product of its digits is 31104, while the sum is 37.

The square root of 42629194 is about 6529.1036138202. The cubic root of 42629194 is about 349.3298578392.

It can be divided in two parts, 4262 and 9194, that added together give a square (13456 = 116²).

The spelling of 42629194 in words is "forty-two million, six hundred twenty-nine thousand, one hundred ninety-four".