47656401 has 8 divisors (see below), whose sum is σ = 68429760. Its totient is φ = 29326992.

The previous prime is 47656397. The next prime is 47656403. The reversal of 47656401 is 10465674.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47656401 - 2² = 47656397 is a prime.

It is a super-2 number, since 2×47656401² = 4542265112545602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47656403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610941 + ... + 611018.

It is an arithmetic number, because the mean of its divisors is an integer number (8553720).

Almost surely, 2^47656401 is an apocalyptic number.

It is an amenable number.

47656401 is a deficient number, since it is larger than the sum of its proper divisors (20773359).

47656401 is a wasteful number, since it uses less digits than its factorization.

47656401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221975.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 47656401 is about 6903.3615724515. The cubic root of 47656401 is about 362.5548733420.

The spelling of 47656401 in words is "forty-seven million, six hundred fifty-six thousand, four hundred one".