47042894 has 4 divisors (see below), whose sum is σ = 70564344. Its totient is φ = 23521446.

The previous prime is 47042887. The next prime is 47042909. The reversal of 47042894 is 49824074.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11760722 + ... + 11760725.

It is an arithmetic number, because the mean of its divisors is an integer number (17641086).

Almost surely, 2^47042894 is an apocalyptic number.

47042894 is a deficient number, since it is larger than the sum of its proper divisors (23521450).

47042894 is a wasteful number, since it uses less digits than its factorization.

47042894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23521449.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 47042894 is about 6858.7822534325. The cubic root of 47042894 is about 360.9923597291.

The spelling of 47042894 in words is "forty-seven million, forty-two thousand, eight hundred ninety-four".