47242899 has 32 divisors (see below), whose sum is σ = 77433600. Its totient is φ = 28226880.

The previous prime is 47242879. The next prime is 47242901. The reversal of 47242899 is 99824274.

It is not a de Polignac number, because 47242899 - 2⁷ = 47242771 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 20592 + ... + 22770.

It is an arithmetic number, because the mean of its divisors is an integer number (2419800).

Almost surely, 2^47242899 is an apocalyptic number.

47242899 is a deficient number, since it is larger than the sum of its proper divisors (30190701).

47242899 is a wasteful number, since it uses less digits than its factorization.

47242899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272 (or 2266 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 47242899 is about 6873.3470012797. The cubic root of 47242899 is about 361.5032282214.

The spelling of 47242899 in words is "forty-seven million, two hundred forty-two thousand, eight hundred ninety-nine".