47709994 has 8 divisors (see below), whose sum is σ = 71844228. Its totient is φ = 23761920.

The previous prime is 47709989. The next prime is 47710021. The reversal of 47709994 is 49990774.

It can be written as a sum of positive squares in 2 ways, for example, as 41434969 + 6275025 = 6437^2 + 2505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45897 + ... + 46924.

Almost surely, 2^47709994 is an apocalyptic number.

47709994 is a deficient number, since it is larger than the sum of its proper divisors (24134234).

47709994 is a wasteful number, since it uses less digits than its factorization.

47709994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93080.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 47709994 is about 6907.2421414049. The cubic root of 47709994 is about 362.6907286440.

The spelling of 47709994 in words is "forty-seven million, seven hundred nine thousand, nine hundred ninety-four".