47404513 has 8 divisors (see below), whose sum is σ = 51105600. Its totient is φ = 43711248.

The previous prime is 47404507. The next prime is 47404519. The reversal of 47404513 is 31540474.

It is an interprime number because it is at equal distance from previous prime (47404507) and next prime (47404519).

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 47404513 - 2⁹ = 47404001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47404519) 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, 19098 + ... + 21436.

It is an arithmetic number, because the mean of its divisors is an integer number (6388200).

Almost surely, 2^47404513 is an apocalyptic number.

It is an amenable number.

47404513 is a deficient number, since it is larger than the sum of its proper divisors (3701087).

47404513 is a wasteful number, since it uses less digits than its factorization.

47404513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 47404513 is about 6885.0935360386. The cubic root of 47404513 is about 361.9149831384.

Adding to 47404513 its reverse (31540474), we get a palindrome (78944987).

The spelling of 47404513 in words is "forty-seven million, four hundred four thousand, five hundred thirteen".