47153378 has 4 divisors (see below), whose sum is σ = 70730070. Its totient is φ = 23576688.

The previous prime is 47153347. The next prime is 47153417. The reversal of 47153378 is 87335174.

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., 40615129 + 6538249 = 6373^2 + 2557^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11788343 + ... + 11788346.

Almost surely, 2^47153378 is an apocalyptic number.

47153378 is a deficient number, since it is larger than the sum of its proper divisors (23576692).

47153378 is a wasteful number, since it uses less digits than its factorization.

47153378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23576691.

The product of its digits is 70560, while the sum is 38.

The square root of 47153378 is about 6866.8317294077. The cubic root of 47153378 is about 361.2747452548.

The spelling of 47153378 in words is "forty-seven million, one hundred fifty-three thousand, three hundred seventy-eight".