47020093 has 4 divisors (see below), whose sum is σ = 47451580. Its totient is φ = 46588608.

The previous prime is 47020037. The next prime is 47020097. The reversal of 47020093 is 39002074.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36638809 + 10381284 = 6053^2 + 3222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47020093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47020097) 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, 215580 + ... + 215797.

It is an arithmetic number, because the mean of its divisors is an integer number (11862895).

Almost surely, 2^47020093 is an apocalyptic number.

It is an amenable number.

47020093 is a deficient number, since it is larger than the sum of its proper divisors (431487).

47020093 is a wasteful number, since it uses less digits than its factorization.

47020093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431486.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 47020093 is about 6857.1198764496. The cubic root of 47020093 is about 360.9340277384.

The spelling of 47020093 in words is "forty-seven million, twenty thousand, ninety-three".