47091751 has 16 divisors (see below), whose sum is σ = 58316544. Its totient is φ = 37102464.

The previous prime is 47091731. The next prime is 47091757. The reversal of 47091751 is 15719074.

It is not a de Polignac number, because 47091751 - 2¹¹ = 47089703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47091757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516 + ... + 9718.

It is an arithmetic number, because the mean of its divisors is an integer number (3644784).

Almost surely, 2^47091751 is an apocalyptic number.

47091751 is a deficient number, since it is larger than the sum of its proper divisors (11224793).

47091751 is a wasteful number, since it uses less digits than its factorization.

47091751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9270.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 47091751 is about 6862.3429672379. The cubic root of 47091751 is about 361.1172875700.

The spelling of 47091751 in words is "forty-seven million, ninety-one thousand, seven hundred fifty-one".