47445773 has 4 divisors (see below), whose sum is σ = 47556288. Its totient is φ = 47335260.

The previous prime is 47445767. The next prime is 47445781. The reversal of 47445773 is 37754474.

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 47445773 - 2²² = 43251469 is a prime.

It is a super-2 number, since 2×47445773² = 4502202751135058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47445773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47445173) 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, 54611 + ... + 55472.

It is an arithmetic number, because the mean of its divisors is an integer number (11889072).

Almost surely, 2^47445773 is an apocalyptic number.

It is an amenable number.

47445773 is a deficient number, since it is larger than the sum of its proper divisors (110515).

47445773 is a wasteful number, since it uses less digits than its factorization.

47445773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110514.

The product of its digits is 329280, while the sum is 41.

The square root of 47445773 is about 6888.0892125465. The cubic root of 47445773 is about 362.0199540297.

The spelling of 47445773 in words is "forty-seven million, four hundred forty-five thousand, seven hundred seventy-three".