47470813 has 8 divisors (see below), whose sum is σ = 51843456. Its totient is φ = 43201200.

The previous prime is 47470811. The next prime is 47470823. The reversal of 47470813 is 31807474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47470813 - 2¹ = 47470811 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 (47470811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24793 + ... + 26638.

It is an arithmetic number, because the mean of its divisors is an integer number (6480432).

Almost surely, 2^47470813 is an apocalyptic number.

It is an amenable number.

47470813 is a deficient number, since it is larger than the sum of its proper divisors (4372643).

47470813 is a wasteful number, since it uses less digits than its factorization.

47470813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51515.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 47470813 is about 6889.9066031406. The cubic root of 47470813 is about 362.0836294274.

It can be divided in two parts, 474708 and 13, that added together give a square (474721 = 689²).

The spelling of 47470813 in words is "forty-seven million, four hundred seventy thousand, eight hundred thirteen".