47017994 has 4 divisors (see below), whose sum is σ = 70526994. Its totient is φ = 23508996.

The previous prime is 47017981. The next prime is 47018011. The reversal of 47017994 is 49971074.

It is a happy number.

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., 25050025 + 21967969 = 5005^2 + 4687^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11754497 + ... + 11754500.

Almost surely, 2^47017994 is an apocalyptic number.

47017994 is a deficient number, since it is larger than the sum of its proper divisors (23509000).

47017994 is a wasteful number, since it uses less digits than its factorization.

47017994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23508999.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 47017994 is about 6856.9668221452. The cubic root of 47017994 is about 360.9286569012.

The spelling of 47017994 in words is "forty-seven million, seventeen thousand, nine hundred ninety-four".