34272981 has 6 divisors (see below), whose sum is σ = 49505430. Its totient is φ = 22848648.

The previous prime is 34272977. The next prime is 34272991. The reversal of 34272981 is 18927243.

It can be written as a sum of positive squares in only one way, i.e., 23677956 + 10595025 = 4866^2 + 3255^2 .

It is not a de Polignac number, because 34272981 - 2² = 34272977 is a prime.

It is a super-2 number, since 2×34272981² = 2349274453252722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34272971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1904046 + ... + 1904063.

It is an arithmetic number, because the mean of its divisors is an integer number (8250905).

Almost surely, 2^34272981 is an apocalyptic number.

It is an amenable number.

34272981 is a deficient number, since it is larger than the sum of its proper divisors (15232449).

34272981 is a wasteful number, since it uses less digits than its factorization.

34272981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808115 (or 3808112 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 34272981 is about 5854.3130254540. The cubic root of 34272981 is about 324.8258822760.

It can be divided in two parts, 34272 and 981, that added together give a palindrome (35253).

The spelling of 34272981 in words is "thirty-four million, two hundred seventy-two thousand, nine hundred eighty-one".