47658994 has 4 divisors (see below), whose sum is σ = 71488494. Its totient is φ = 23829496.

The previous prime is 47658983. The next prime is 47659009. The reversal of 47658994 is 49985674.

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., 33120025 + 14538969 = 5755^2 + 3813^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11914747 + ... + 11914750.

Almost surely, 2^47658994 is an apocalyptic number.

47658994 is a deficient number, since it is larger than the sum of its proper divisors (23829500).

47658994 is a wasteful number, since it uses less digits than its factorization.

47658994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23829499.

The product of its digits is 2177280, while the sum is 52.

The square root of 47658994 is about 6903.5493769510. The cubic root of 47658994 is about 362.5614487982.

The spelling of 47658994 in words is "forty-seven million, six hundred fifty-eight thousand, nine hundred ninety-four".