29530215 has 72 divisors (see below), whose sum is σ = 60635952. Its totient is φ = 13178880.

The previous prime is 29530211. The next prime is 29530223. The reversal of 29530215 is 51203592.

It is not a de Polignac number, because 29530215 - 2² = 29530211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29530211) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 83479 + ... + 83831.

It is an arithmetic number, because the mean of its divisors is an integer number (842166).

Almost surely, 2^29530215 is an apocalyptic number.

29530215 is an abundant number, since it is smaller than the sum of its proper divisors (31105737).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29530215 is a wasteful number, since it uses less digits than its factorization.

29530215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 29530215 is about 5434.1710499394. The cubic root of 29530215 is about 309.0927864125.

The spelling of 29530215 in words is "twenty-nine million, five hundred thirty thousand, two hundred fifteen".