47634542 has 4 divisors (see below), whose sum is σ = 71451816. Its totient is φ = 23817270.

The previous prime is 47634511. The next prime is 47634563. The reversal of 47634542 is 24543674.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24543674 = 2 ⋅12271837.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11908634 + ... + 11908637.

It is an arithmetic number, because the mean of its divisors is an integer number (17862954).

Almost surely, 2^47634542 is an apocalyptic number.

47634542 is a deficient number, since it is larger than the sum of its proper divisors (23817274).

47634542 is a wasteful number, since it uses less digits than its factorization.

47634542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23817273.

The product of its digits is 80640, while the sum is 35.

The square root of 47634542 is about 6901.7781766730. The cubic root of 47634542 is about 362.4994327379.

The spelling of 47634542 in words is "forty-seven million, six hundred thirty-four thousand, five hundred forty-two".