47426689 has 4 divisors (see below), whose sum is σ = 47510320. Its totient is φ = 47343060.

The previous prime is 47426677. The next prime is 47426693. The reversal of 47426689 is 98662474.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98662474 = 2 ⋅49331237.

It is a cyclic number.

It is not a de Polignac number, because 47426689 - 2¹⁵ = 47393921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47426669) 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, 40959 + ... + 42100.

It is an arithmetic number, because the mean of its divisors is an integer number (11877580).

Almost surely, 2^47426689 is an apocalyptic number.

It is an amenable number.

47426689 is a deficient number, since it is larger than the sum of its proper divisors (83631).

47426689 is an equidigital number, since it uses as much as digits as its factorization.

47426689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83630.

The product of its digits is 580608, while the sum is 46.

The square root of 47426689 is about 6886.7037833785. The cubic root of 47426689 is about 361.9714093798.

The spelling of 47426689 in words is "forty-seven million, four hundred twenty-six thousand, six hundred eighty-nine".