47732642 has 4 divisors (see below), whose sum is σ = 71598966. Its totient is φ = 23866320.

The previous prime is 47732611. The next prime is 47732687. The reversal of 47732642 is 24623774.

47732642 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 can be written as a sum of positive squares in only one way, i.e., 41977441 + 5755201 = 6479^2 + 2399^2 .

It is a super-2 number, since 2×47732642² = 4556810224600328, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11933159 + ... + 11933162.

Almost surely, 2^47732642 is an apocalyptic number.

47732642 is a deficient number, since it is larger than the sum of its proper divisors (23866324).

47732642 is a wasteful number, since it uses less digits than its factorization.

47732642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23866323.

The product of its digits is 56448, while the sum is 35.

The square root of 47732642 is about 6908.8813855790. The cubic root of 47732642 is about 362.7481094952.

The spelling of 47732642 in words is "forty-seven million, seven hundred thirty-two thousand, six hundred forty-two".