47394768 has 20 divisors (see below), whose sum is σ = 122436608. Its totient is φ = 15798240.

The previous prime is 47394751. The next prime is 47394769. The reversal of 47394768 is 86749374.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 987391 = 47394768 / (4 + 7 + 3 + 9 + 4 + 7 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47394769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493648 + ... + 493743.

Almost surely, 2^47394768 is an apocalyptic number.

47394768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47394768 is an abundant number, since it is smaller than the sum of its proper divisors (75041840).

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

47394768 is a wasteful number, since it uses less digits than its factorization.

47394768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987402 (or 987396 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 47394768 is about 6884.3858113851. The cubic root of 47394768 is about 361.8901816797.

The spelling of 47394768 in words is "forty-seven million, three hundred ninety-four thousand, seven hundred sixty-eight".