47964569 has 8 divisors (see below), whose sum is σ = 50963040. Its totient is φ = 45013536.

The previous prime is 47964557. The next prime is 47964589. The reversal of 47964569 is 96546974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47964569 - 2²⁰ = 46915993 is a prime.

It is a super-2 number, since 2×47964569² = 4601199758711522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47964509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9764 + ... + 13829.

It is an arithmetic number, because the mean of its divisors is an integer number (6370380).

Almost surely, 2^47964569 is an apocalyptic number.

It is an amenable number.

47964569 is a deficient number, since it is larger than the sum of its proper divisors (2998471).

47964569 is a wasteful number, since it uses less digits than its factorization.

47964569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23719.

The product of its digits is 1632960, while the sum is 50.

The square root of 47964569 is about 6925.6457460658. The cubic root of 47964569 is about 363.3346765561.

The spelling of 47964569 in words is "forty-seven million, nine hundred sixty-four thousand, five hundred sixty-nine".