47761745 has 8 divisors (see below), whose sum is σ = 58395816. Its totient is φ = 37488256.

The previous prime is 47761723. The next prime is 47761751. The reversal of 47761745 is 54716774.

It can be written as a sum of positive squares in 4 ways, for example, as 8473921 + 39287824 = 2911^2 + 6268^2 .

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 47761745 - 2⁸ = 47761489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89852 + ... + 90381.

It is an arithmetic number, because the mean of its divisors is an integer number (7299477).

Almost surely, 2^47761745 is an apocalyptic number.

It is an amenable number.

47761745 is a deficient number, since it is larger than the sum of its proper divisors (10634071).

47761745 is a wasteful number, since it uses less digits than its factorization.

47761745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180291.

The product of its digits is 164640, while the sum is 41.

The square root of 47761745 is about 6910.9872666646. The cubic root of 47761745 is about 362.8218180584.

The spelling of 47761745 in words is "forty-seven million, seven hundred sixty-one thousand, seven hundred forty-five".