47494667 has 4 divisors (see below), whose sum is σ = 51812376. Its totient is φ = 43176960.

The previous prime is 47494631. The next prime is 47494673. The reversal of 47494667 is 76649474.

47494667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47494667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47494267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2158838 + ... + 2158859.

It is an arithmetic number, because the mean of its divisors is an integer number (12953094).

Almost surely, 2^47494667 is an apocalyptic number.

47494667 is a deficient number, since it is larger than the sum of its proper divisors (4317709).

47494667 is a wasteful number, since it uses less digits than its factorization.

47494667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317708.

The product of its digits is 1016064, while the sum is 47.

The square root of 47494667 is about 6891.6374687007. The cubic root of 47494667 is about 362.1442680672.

The spelling of 47494667 in words is "forty-seven million, four hundred ninety-four thousand, six hundred sixty-seven".