34220730 has 16 divisors (see below), whose sum is σ = 82129824. Its totient is φ = 9125520.

The previous prime is 34220723. The next prime is 34220741. The reversal of 34220730 is 3702243.

It is a happy number.

It is a super-3 number, since 3×34220730³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34220697 and 34220706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570316 + ... + 570375.

It is an arithmetic number, because the mean of its divisors is an integer number (5133114).

Almost surely, 2^34220730 is an apocalyptic number.

34220730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34220730 is an abundant number, since it is smaller than the sum of its proper divisors (47909094).

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

34220730 is a wasteful number, since it uses less digits than its factorization.

34220730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140701.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 34220730 is about 5849.8487159926. The cubic root of 34220730 is about 324.6607268179.

Adding to 34220730 its reverse (3702243), we get a palindrome (37922973).

The spelling of 34220730 in words is "thirty-four million, two hundred twenty thousand, seven hundred thirty".