47261789 has 4 divisors (see below), whose sum is σ = 47927520. Its totient is φ = 46596060.

The previous prime is 47261771. The next prime is 47261791. The reversal of 47261789 is 98716274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47261789 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 (47261719) 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, 332759 + ... + 332900.

It is an arithmetic number, because the mean of its divisors is an integer number (11981880).

Almost surely, 2^47261789 is an apocalyptic number.

It is an amenable number.

47261789 is a deficient number, since it is larger than the sum of its proper divisors (665731).

47261789 is an equidigital number, since it uses as much as digits as its factorization.

47261789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665730.

The product of its digits is 169344, while the sum is 44.

The square root of 47261789 is about 6874.7210125212. The cubic root of 47261789 is about 361.5514039696.

The spelling of 47261789 in words is "forty-seven million, two hundred sixty-one thousand, seven hundred eighty-nine".