47476378 has 4 divisors (see below), whose sum is σ = 71214570. Its totient is φ = 23738188.

The previous prime is 47476339. The next prime is 47476379. The reversal of 47476378 is 87367474.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37785609 + 9690769 = 6147^2 + 3113^2 .

It is not an unprimeable number, because it can be changed into a prime (47476379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11869093 + ... + 11869096.

Almost surely, 2^47476378 is an apocalyptic number.

47476378 is a deficient number, since it is larger than the sum of its proper divisors (23738192).

47476378 is a wasteful number, since it uses less digits than its factorization.

47476378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23738191.

The product of its digits is 790272, while the sum is 46.

The square root of 47476378 is about 6890.3104429336. The cubic root of 47476378 is about 362.0977778872.

The spelling of 47476378 in words is "forty-seven million, four hundred seventy-six thousand, three hundred seventy-eight".