34527381 has 16 divisors (see below), whose sum is σ = 52852224. Its totient is φ = 19640304.

The previous prime is 34527377. The next prime is 34527421. The reversal of 34527381 is 18372543.

It is not a de Polignac number, because 34527381 - 2² = 34527377 is a prime.

It is a super-2 number, since 2×34527381² = 2384280077438322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34527341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146 + ... + 8388.

It is an arithmetic number, because the mean of its divisors is an integer number (3303264).

Almost surely, 2^34527381 is an apocalyptic number.

It is an amenable number.

34527381 is a deficient number, since it is larger than the sum of its proper divisors (18324843).

34527381 is a wasteful number, since it uses less digits than its factorization.

34527381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7480.

The product of its digits is 20160, while the sum is 33.

The square root of 34527381 is about 5876.0004254595. Note that the first 3 decimals coincide. The cubic root of 34527381 is about 325.6276030433.

The spelling of 34527381 in words is "thirty-four million, five hundred twenty-seven thousand, three hundred eighty-one".