47342481 has 4 divisors (see below), whose sum is σ = 63123312. Its totient is φ = 31561652.

The previous prime is 47342479. The next prime is 47342497. The reversal of 47342481 is 18424374.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47342481 - 2¹ = 47342479 is a prime.

It is a super-2 number, since 2×47342481² = 4482621014470722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47342411) 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, 7890411 + ... + 7890416.

It is an arithmetic number, because the mean of its divisors is an integer number (15780828).

Almost surely, 2^47342481 is an apocalyptic number.

It is an amenable number.

47342481 is a deficient number, since it is larger than the sum of its proper divisors (15780831).

47342481 is a wasteful number, since it uses less digits than its factorization.

47342481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15780830.

The product of its digits is 21504, while the sum is 33.

The square root of 47342481 is about 6880.5872569135. The cubic root of 47342481 is about 361.7570508480.

The spelling of 47342481 in words is "forty-seven million, three hundred forty-two thousand, four hundred eighty-one".