47930045 has 12 divisors (see below), whose sum is σ = 60128796. Its totient is φ = 36674880.

The previous prime is 47930033. The next prime is 47930081. The reversal of 47930045 is 54003974.

It can be written as a sum of positive squares in 2 ways, for example, as 16949689 + 30980356 = 4117^2 + 5566^2 .

It is not a de Polignac number, because 47930045 - 2²⁴ = 31152829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47929993 and 47930020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6416 + ... + 11705.

It is an arithmetic number, because the mean of its divisors is an integer number (5010733).

Almost surely, 2^47930045 is an apocalyptic number.

It is an amenable number.

47930045 is a deficient number, since it is larger than the sum of its proper divisors (12198751).

47930045 is a wasteful number, since it uses less digits than its factorization.

47930045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18172 (or 18149 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 47930045 is about 6923.1528222335. The cubic root of 47930045 is about 363.2474817967.

The spelling of 47930045 in words is "forty-seven million, nine hundred thirty thousand, forty-five".