47906378 has 16 divisors (see below), whose sum is σ = 80752896. Its totient is φ = 21149040.

The previous prime is 47906363. The next prime is 47906381. The reversal of 47906378 is 87360974.

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, 39458 + ... + 40653.

It is an arithmetic number, because the mean of its divisors is an integer number (5047056).

Almost surely, 2^47906378 is an apocalyptic number.

47906378 is a deficient number, since it is larger than the sum of its proper divisors (32846518).

47906378 is a wasteful number, since it uses less digits than its factorization.

47906378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80149.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 47906378 is about 6921.4433465860. The cubic root of 47906378 is about 363.1876835807.

It can be divided in two parts, 47906 and 378, that added together give a palindrome (48284).

The spelling of 47906378 in words is "forty-seven million, nine hundred six thousand, three hundred seventy-eight".