47259649 has 4 divisors (see below), whose sum is σ = 48060720. Its totient is φ = 46458580.

The previous prime is 47259629. The next prime is 47259673. The reversal of 47259649 is 94695274.

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 not a de Polignac number, because 47259649 - 2¹¹ = 47257601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47259599 and 47259608.

It is not an unprimeable number, because it can be changed into a prime (47259629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400447 + ... + 400564.

It is an arithmetic number, because the mean of its divisors is an integer number (12015180).

It is a Proth number, since it is equal to 5769 ⋅ 2¹³ + 1 and 5769 < 2¹³.

Almost surely, 2^47259649 is an apocalyptic number.

It is an amenable number.

47259649 is a deficient number, since it is larger than the sum of its proper divisors (801071).

47259649 is an equidigital number, since it uses as much as digits as its factorization.

47259649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801070.

The product of its digits is 544320, while the sum is 46.

The square root of 47259649 is about 6874.5653680796. The cubic root of 47259649 is about 361.5459469066.

The spelling of 47259649 in words is "forty-seven million, two hundred fifty-nine thousand, six hundred forty-nine".