215270034 has 24 divisors (see below), whose sum is σ = 500833008. Its totient is φ = 61505640.

The previous prime is 215270021. The next prime is 215270039. The reversal of 215270034 is 430072512.

It is a super-2 number, since 2×215270034² = 92682375076722312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 215269986 and 215270013.

It is not an unprimeable number, because it can be changed into a prime (215270039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 365812 + ... + 366399.

It is an arithmetic number, because the mean of its divisors is an integer number (20868042).

Almost surely, 2^215270034 is an apocalyptic number.

215270034 is an abundant number, since it is smaller than the sum of its proper divisors (285562974).

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

215270034 is a wasteful number, since it uses less digits than its factorization.

215270034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732230 (or 732223 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 215270034 is about 14672.0834921289. The cubic root of 215270034 is about 599.3233427340.

The spelling of 215270034 in words is "two hundred fifteen million, two hundred seventy thousand, thirty-four".