34247072 has 12 divisors (see below), whose sum is σ = 67423986. Its totient is φ = 17123520.

The previous prime is 34247051. The next prime is 34247077. The reversal of 34247072 is 27074243.

It can be written as a sum of positive squares in only one way, i.e., 23775376 + 10471696 = 4876^2 + 3236^2 .

It is not an unprimeable number, because it can be changed into a prime (34247077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535079 + ... + 535142.

Almost surely, 2^34247072 is an apocalyptic number.

34247072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

34247072 is a deficient number, since it is larger than the sum of its proper divisors (33176914).

34247072 is a wasteful number, since it uses less digits than its factorization.

34247072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070231 (or 1070223 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 34247072 is about 5852.0997940910. The cubic root of 34247072 is about 324.7440098591.

The spelling of 34247072 in words is "thirty-four million, two hundred forty-seven thousand, seventy-two".