47517378 has 8 divisors (see below), whose sum is σ = 95034768. Its totient is φ = 15839124.

The previous prime is 47517373. The next prime is 47517403. The reversal of 47517378 is 87371574.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

47517378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (47517373) 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, 3959776 + ... + 3959787.

It is an arithmetic number, because the mean of its divisors is an integer number (11879346).

Almost surely, 2^47517378 is an apocalyptic number.

47517378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

47517378 is a wasteful number, since it uses less digits than its factorization.

47517378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7919568.

The product of its digits is 164640, while the sum is 42.

The square root of 47517378 is about 6893.2849933831. The cubic root of 47517378 is about 362.2019822513.

It can be divided in two parts, 47517 and 378, that added together give a triangular number (47895 = T₃₀₉).

The spelling of 47517378 in words is "forty-seven million, five hundred seventeen thousand, three hundred seventy-eight".