47250761 has 4 divisors (see below), whose sum is σ = 47386500. Its totient is φ = 47115024.

The previous prime is 47250757. The next prime is 47250767. The reversal of 47250761 is 16705274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36228361 + 11022400 = 6019^2 + 3320^2 .

It is a cyclic number.

It is not a de Polignac number, because 47250761 - 2² = 47250757 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47250767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67346 + ... + 68043.

It is an arithmetic number, because the mean of its divisors is an integer number (11846625).

Almost surely, 2^47250761 is an apocalyptic number.

It is an amenable number.

47250761 is a deficient number, since it is larger than the sum of its proper divisors (135739).

47250761 is a wasteful number, since it uses less digits than its factorization.

47250761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135738.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 47250761 is about 6873.9188968157. The cubic root of 47250761 is about 361.5232804818.

The spelling of 47250761 in words is "forty-seven million, two hundred fifty thousand, seven hundred sixty-one".