34532421 has 16 divisors (see below), whose sum is σ = 57404928. Its totient is φ = 17938800.

The previous prime is 34532413. The next prime is 34532437. The reversal of 34532421 is 12423543.

It is not a de Polignac number, because 34532421 - 2³ = 34532413 is a prime.

It is a super-3 number, since 3×34532421³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34532391 and 34532400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34532021) 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, 74515 + ... + 74976.

It is an arithmetic number, because the mean of its divisors is an integer number (3587808).

Almost surely, 2^34532421 is an apocalyptic number.

It is an amenable number.

34532421 is a deficient number, since it is larger than the sum of its proper divisors (22872507).

34532421 is a wasteful number, since it uses less digits than its factorization.

34532421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149512.

The product of its digits is 2880, while the sum is 24.

The square root of 34532421 is about 5876.4292729514. The cubic root of 34532421 is about 325.6434463463.

Adding to 34532421 its reverse (12423543), we get a palindrome (46955964).

The spelling of 34532421 in words is "thirty-four million, five hundred thirty-two thousand, four hundred twenty-one".