47061493 has 4 divisors (see below), whose sum is σ = 47079340. Its totient is φ = 47043648.

The previous prime is 47061467. The next prime is 47061517. The reversal of 47061493 is 39416074.

It is a happy number.

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 26286129 + 20775364 = 5127^2 + 4558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47061493 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 (47061433) 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, 4098 + ... + 10531.

It is an arithmetic number, because the mean of its divisors is an integer number (11769835).

Almost surely, 2^47061493 is an apocalyptic number.

It is an amenable number.

47061493 is a deficient number, since it is larger than the sum of its proper divisors (17847).

47061493 is a wasteful number, since it uses less digits than its factorization.

47061493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17846.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 47061493 is about 6860.1379723734. The cubic root of 47061493 is about 361.0399277512.

The spelling of 47061493 in words is "forty-seven million, sixty-one thousand, four hundred ninety-three".