42694847 has 8 divisors (see below), whose sum is σ = 46958016. Its totient is φ = 38571552.

The previous prime is 42694807. The next prime is 42694889. The reversal of 42694847 is 74849624.

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

It is a cyclic number.

It is not a de Polignac number, because 42694847 - 2¹⁰ = 42693823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42694798 and 42694807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42694807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34328 + ... + 35549.

It is an arithmetic number, because the mean of its divisors is an integer number (5869752).

Almost surely, 2^42694847 is an apocalyptic number.

42694847 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

42694847 is a deficient number, since it is larger than the sum of its proper divisors (4263169).

42694847 is a wasteful number, since it uses less digits than its factorization.

42694847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69937.

The product of its digits is 387072, while the sum is 44.

The square root of 42694847 is about 6534.1293987799. The cubic root of 42694847 is about 349.5090995534.

The spelling of 42694847 in words is "forty-two million, six hundred ninety-four thousand, eight hundred forty-seven".