34025721 has 8 divisors (see below), whose sum is σ = 48036384. Its totient is φ = 21349440.

The previous prime is 34025683. The next prime is 34025737. The reversal of 34025721 is 12752043.

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

It is not a de Polignac number, because 34025721 - 2¹⁴ = 34009337 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34025691 and 34025700.

It is not an unprimeable number, because it can be changed into a prime (34025521) 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, 333535 + ... + 333636.

It is an arithmetic number, because the mean of its divisors is an integer number (6004548).

Almost surely, 2^34025721 is an apocalyptic number.

It is an amenable number.

34025721 is a deficient number, since it is larger than the sum of its proper divisors (14010663).

34025721 is a wasteful number, since it uses less digits than its factorization.

34025721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667191.

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

The square root of 34025721 is about 5833.1570354312. The cubic root of 34025721 is about 324.0428517473.

Adding to 34025721 its reverse (12752043), we get a palindrome (46777764).

The spelling of 34025721 in words is "thirty-four million, twenty-five thousand, seven hundred twenty-one".