47761646 has 4 divisors (see below), whose sum is σ = 71642472. Its totient is φ = 23880822.

The previous prime is 47761643. The next prime is 47761661. The reversal of 47761646 is 64616774.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47761643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11940410 + ... + 11940413.

It is an arithmetic number, because the mean of its divisors is an integer number (17910618).

Almost surely, 2^47761646 is an apocalyptic number.

47761646 is a deficient number, since it is larger than the sum of its proper divisors (23880826).

47761646 is a wasteful number, since it uses less digits than its factorization.

47761646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23880825.

The product of its digits is 169344, while the sum is 41.

The square root of 47761646 is about 6910.9801041531. The cubic root of 47761646 is about 362.8215673739.

The spelling of 47761646 in words is "forty-seven million, seven hundred sixty-one thousand, six hundred forty-six".