47427651 has 6 divisors (see below), whose sum is σ = 68506620. Its totient is φ = 31618428.

The previous prime is 47427649. The next prime is 47427691. The reversal of 47427651 is 15672474.

It is not a de Polignac number, because 47427651 - 2¹ = 47427649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47427641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2634861 + ... + 2634878.

It is an arithmetic number, because the mean of its divisors is an integer number (11417770).

Almost surely, 2^47427651 is an apocalyptic number.

47427651 is a deficient number, since it is larger than the sum of its proper divisors (21078969).

47427651 is a wasteful number, since it uses less digits than its factorization.

47427651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269745 (or 5269742 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 47427651 is about 6886.7736277592. The cubic root of 47427651 is about 361.9738567651.

The spelling of 47427651 in words is "forty-seven million, four hundred twenty-seven thousand, six hundred fifty-one".