42104734 has 8 divisors (see below), whose sum is σ = 72179568. Its totient is φ = 18044880.

The previous prime is 42104729. The next prime is 42104747. The reversal of 42104734 is 43740124.

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 = 42104699 and 42104708.

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, 1503727 + ... + 1503754.

It is an arithmetic number, because the mean of its divisors is an integer number (9022446).

Almost surely, 2^42104734 is an apocalyptic number.

42104734 is a deficient number, since it is larger than the sum of its proper divisors (30074834).

42104734 is a wasteful number, since it uses less digits than its factorization.

42104734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007490.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 42104734 is about 6488.8160707482. The cubic root of 42104734 is about 347.8913597108.

Adding to 42104734 its reverse (43740124), we get a palindrome (85844858).

The spelling of 42104734 in words is "forty-two million, one hundred four thousand, seven hundred thirty-four".