47421694 has 4 divisors (see below), whose sum is σ = 71132544. Its totient is φ = 23710846.

The previous prime is 47421677. The next prime is 47421713. The reversal of 47421694 is 49612474.

It is a happy number.

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, 11855422 + ... + 11855425.

It is an arithmetic number, because the mean of its divisors is an integer number (17783136).

Almost surely, 2^47421694 is an apocalyptic number.

47421694 is a deficient number, since it is larger than the sum of its proper divisors (23710850).

47421694 is a wasteful number, since it uses less digits than its factorization.

47421694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23710849.

The product of its digits is 48384, while the sum is 37.

The square root of 47421694 is about 6886.3411184750. The cubic root of 47421694 is about 361.9587012703.

The spelling of 47421694 in words is "forty-seven million, four hundred twenty-one thousand, six hundred ninety-four".