47961761 has 8 divisors (see below), whose sum is σ = 49082880. Its totient is φ = 46844928.

The previous prime is 47961751. The next prime is 47961779. The reversal of 47961761 is 16716974.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47961761 is a prime.

It is a super-2 number, since 2×47961761² = 4600661036442242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47961721) 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, 35480 + ... + 36806.

It is an arithmetic number, because the mean of its divisors is an integer number (6135360).

Almost surely, 2^47961761 is an apocalyptic number.

It is an amenable number.

47961761 is a deficient number, since it is larger than the sum of its proper divisors (1121119).

47961761 is a wasteful number, since it uses less digits than its factorization.

47961761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143.

The product of its digits is 63504, while the sum is 41.

The square root of 47961761 is about 6925.4430183202. The cubic root of 47961761 is about 363.3275861579.

The spelling of 47961761 in words is "forty-seven million, nine hundred sixty-one thousand, seven hundred sixty-one".