47129291 has 8 divisors (see below), whose sum is σ = 54120000. Its totient is φ = 40589640.

The previous prime is 47129273. The next prime is 47129347. The reversal of 47129291 is 19292174.

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 47129291 - 2⁶ = 47129227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47129221) 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, 112541 + ... + 112958.

It is an arithmetic number, because the mean of its divisors is an integer number (6765000).

Almost surely, 2^47129291 is an apocalyptic number.

47129291 is a deficient number, since it is larger than the sum of its proper divisors (6990709).

47129291 is a wasteful number, since it uses less digits than its factorization.

47129291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225529.

The product of its digits is 9072, while the sum is 35.

The square root of 47129291 is about 6865.0776397649. The cubic root of 47129291 is about 361.2132190375.

The spelling of 47129291 in words is "forty-seven million, one hundred twenty-nine thousand, two hundred ninety-one".