47242827 has 24 divisors (see below), whose sum is σ = 70939440. Its totient is φ = 30260160.

The previous prime is 47242817. The next prime is 47242829. The reversal of 47242827 is 72824274.

It is a de Polignac number, because none of the positive numbers 2^k-47242827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47242791 and 47242800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47242829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82452 + ... + 83022.

It is an arithmetic number, because the mean of its divisors is an integer number (2955810).

Almost surely, 2^47242827 is an apocalyptic number.

47242827 is a deficient number, since it is larger than the sum of its proper divisors (23696613).

47242827 is a wasteful number, since it uses less digits than its factorization.

47242827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 920 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 47242827 is about 6873.3417636547. The cubic root of 47242827 is about 361.5030445730.

The spelling of 47242827 in words is "forty-seven million, two hundred forty-two thousand, eight hundred twenty-seven".