29572117 has 2 divisors, whose sum is σ = 29572118. Its totient is φ = 29572116.

The previous prime is 29572097. The next prime is 29572121. The reversal of 29572117 is 71127592.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28153636 + 1418481 = 5306^2 + 1191^2 .

It is a cyclic number.

It is not a de Polignac number, because 29572117 - 2¹¹ = 29570069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29572717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14786058 + 14786059.

It is an arithmetic number, because the mean of its divisors is an integer number (14786059).

Almost surely, 2^29572117 is an apocalyptic number.

It is an amenable number.

29572117 is a deficient number, since it is larger than the sum of its proper divisors (1).

29572117 is an equidigital number, since it uses as much as digits as its factorization.

29572117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 34.

The square root of 29572117 is about 5438.0251010822. The cubic root of 29572117 is about 309.2389134088.

The spelling of 29572117 in words is "twenty-nine million, five hundred seventy-two thousand, one hundred seventeen".