47078266 has 4 divisors (see below), whose sum is σ = 70617402. Its totient is φ = 23539132.

The previous prime is 47078261. The next prime is 47078267. The reversal of 47078266 is 66287074.

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., 44502241 + 2576025 = 6671^2 + 1605^2 .

It is not an unprimeable number, because it can be changed into a prime (47078261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11769565 + ... + 11769568.

Almost surely, 2^47078266 is an apocalyptic number.

47078266 is a deficient number, since it is larger than the sum of its proper divisors (23539136).

47078266 is a wasteful number, since it uses less digits than its factorization.

47078266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23539135.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 47078266 is about 6861.3603607448. The cubic root of 47078266 is about 361.0828149259.

The spelling of 47078266 in words is "forty-seven million, seventy-eight thousand, two hundred sixty-six".