42164734 has 8 divisors (see below), whose sum is σ = 64592928. Its totient is φ = 20633760.

The previous prime is 42164723. The next prime is 42164761. The reversal of 42164734 is 43746124.

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

It is a junction number, because it is equal to n+sod(n) for n = 42164696 and 42164705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224187 + ... + 224374.

It is an arithmetic number, because the mean of its divisors is an integer number (8074116).

Almost surely, 2^42164734 is an apocalyptic number.

42164734 is a deficient number, since it is larger than the sum of its proper divisors (22428194).

42164734 is a wasteful number, since it uses less digits than its factorization.

42164734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448610.

The product of its digits is 16128, while the sum is 31.

The square root of 42164734 is about 6493.4377643895. The cubic root of 42164734 is about 348.0565317506.

The spelling of 42164734 in words is "forty-two million, one hundred sixty-four thousand, seven hundred thirty-four".