47040029 has 4 divisors (see below), whose sum is σ = 49515840. Its totient is φ = 44564220.

The previous prime is 47040013. The next prime is 47040031. The reversal of 47040029 is 92004074.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92004074 = 2 ⋅46002037.

It is a cyclic number.

It is not a de Polignac number, because 47040029 - 2⁴ = 47040013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47040229) 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, 1237877 + ... + 1237914.

It is an arithmetic number, because the mean of its divisors is an integer number (12378960).

Almost surely, 2^47040029 is an apocalyptic number.

It is an amenable number.

47040029 is a deficient number, since it is larger than the sum of its proper divisors (2475811).

47040029 is a wasteful number, since it uses less digits than its factorization.

47040029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475810.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 47040029 is about 6858.5733939355. The cubic root of 47040029 is about 360.9850312110.

The spelling of 47040029 in words is "forty-seven million, forty thousand, twenty-nine".