47393718 has 16 divisors (see below), whose sum is σ = 95471040. Its totient is φ = 15683976.

The previous prime is 47393681. The next prime is 47393729. The reversal of 47393718 is 81739374.

It is a self number, because there is not a number n which added to its sum of digits gives 47393718.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27580 + ... + 29247.

It is an arithmetic number, because the mean of its divisors is an integer number (5966940).

Almost surely, 2^47393718 is an apocalyptic number.

47393718 is an abundant number, since it is smaller than the sum of its proper divisors (48077322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47393718 is a wasteful number, since it uses less digits than its factorization.

47393718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56971.

The product of its digits is 127008, while the sum is 42.

The square root of 47393718 is about 6884.3095514365. The cubic root of 47393718 is about 361.8875091801.

The spelling of 47393718 in words is "forty-seven million, three hundred ninety-three thousand, seven hundred eighteen".