47642651 has 12 divisors (see below), whose sum is σ = 55559952. Its totient is φ = 40734288.

The previous prime is 47642611. The next prime is 47642657. The reversal of 47642651 is 15624674.

It is not a de Polignac number, because 47642651 - 2⁶ = 47642587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47642657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23681 + ... + 25613.

It is an arithmetic number, because the mean of its divisors is an integer number (4629996).

Almost surely, 2^47642651 is an apocalyptic number.

47642651 is a deficient number, since it is larger than the sum of its proper divisors (7917301).

47642651 is a wasteful number, since it uses less digits than its factorization.

47642651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450 (or 2443 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 47642651 is about 6902.3656089778. The cubic root of 47642651 is about 362.5200014330.

The spelling of 47642651 in words is "forty-seven million, six hundred forty-two thousand, six hundred fifty-one".