47073129 has 4 divisors (see below), whose sum is σ = 62764176. Its totient is φ = 31382084.

The previous prime is 47073121. The next prime is 47073137. The reversal of 47073129 is 92137074.

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 an interprime number because it is at equal distance from previous prime (47073121) and next prime (47073137).

It is a cyclic number.

It is not a de Polignac number, because 47073129 - 2³ = 47073121 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47073129.

It is not an unprimeable number, because it can be changed into a prime (47073121) 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, 7845519 + ... + 7845524.

It is an arithmetic number, because the mean of its divisors is an integer number (15691044).

Almost surely, 2^47073129 is an apocalyptic number.

It is an amenable number.

47073129 is a deficient number, since it is larger than the sum of its proper divisors (15691047).

47073129 is a wasteful number, since it uses less digits than its factorization.

47073129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15691046.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 47073129 is about 6860.9860078563. The cubic root of 47073129 is about 361.0696811238.

The spelling of 47073129 in words is "forty-seven million, seventy-three thousand, one hundred twenty-nine".