47263645 has 16 divisors (see below), whose sum is σ = 66632832. Its totient is φ = 31728960.

The previous prime is 47263639. The next prime is 47263663. The reversal of 47263645 is 54636274.

It is not a de Polignac number, because 47263645 - 2⁹ = 47263133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32337 + ... + 33766.

It is an arithmetic number, because the mean of its divisors is an integer number (4164552).

Almost surely, 2^47263645 is an apocalyptic number.

It is an amenable number.

47263645 is a deficient number, since it is larger than the sum of its proper divisors (19369187).

47263645 is a wasteful number, since it uses less digits than its factorization.

47263645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66132.

The product of its digits is 120960, while the sum is 37.

The square root of 47263645 is about 6874.8559984919. The cubic root of 47263645 is about 361.5561366909.

The spelling of 47263645 in words is "forty-seven million, two hundred sixty-three thousand, six hundred forty-five".