47393678 has 4 divisors (see below), whose sum is σ = 71090520. Its totient is φ = 23696838.

The previous prime is 47393653. The next prime is 47393681. The reversal of 47393678 is 87639374.

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, 11848418 + ... + 11848421.

It is an arithmetic number, because the mean of its divisors is an integer number (17772630).

Almost surely, 2^47393678 is an apocalyptic number.

47393678 is a deficient number, since it is larger than the sum of its proper divisors (23696842).

47393678 is a wasteful number, since it uses less digits than its factorization.

47393678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23696841.

The product of its digits is 762048, while the sum is 47.

The square root of 47393678 is about 6884.3066462789. The cubic root of 47393678 is about 361.8874073698.

The spelling of 47393678 in words is "forty-seven million, three hundred ninety-three thousand, six hundred seventy-eight".