34220739 has 8 divisors (see below), whose sum is σ = 52145920. Its totient is φ = 19554696.

The previous prime is 34220723. The next prime is 34220741. The reversal of 34220739 is 93702243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34220739 - 2⁴ = 34220723 is a prime.

It is a super-2 number, since 2×34220739² = 2342117955412242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34220749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814759 + ... + 814800.

It is an arithmetic number, because the mean of its divisors is an integer number (6518240).

Almost surely, 2^34220739 is an apocalyptic number.

34220739 is a deficient number, since it is larger than the sum of its proper divisors (17925181).

34220739 is a wasteful number, since it uses less digits than its factorization.

34220739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629569.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 34220739 is about 5849.8494852432. The cubic root of 34220739 is about 324.6607552796.

The spelling of 34220739 in words is "thirty-four million, two hundred twenty thousand, seven hundred thirty-nine".