47761691 has 8 divisors (see below), whose sum is σ = 48998400. Its totient is φ = 46530792.

The previous prime is 47761663. The next prime is 47761699. The reversal of 47761691 is 19616774.

47761691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 47761691 - 2²² = 43567387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47761699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18710 + ... + 21108.

It is an arithmetic number, because the mean of its divisors is an integer number (6124800).

Almost surely, 2^47761691 is an apocalyptic number.

47761691 is a deficient number, since it is larger than the sum of its proper divisors (1236709).

47761691 is a wasteful number, since it uses less digits than its factorization.

47761691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905.

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

The square root of 47761691 is about 6910.9833598411. The cubic root of 47761691 is about 362.8216813214.

The spelling of 47761691 in words is "forty-seven million, seven hundred sixty-one thousand, six hundred ninety-one".