34521737 has 2 divisors, whose sum is σ = 34521738. Its totient is φ = 34521736.

The previous prime is 34521701. The next prime is 34521749. The reversal of 34521737 is 73712543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22934521 + 11587216 = 4789^2 + 3404^2 .

It is an emirp because it is prime and its reverse (73712543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34521737 - 2⁶ = 34521673 is a prime.

It is not a weakly prime, because it can be changed into another prime (34521337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17260868 + 17260869.

It is an arithmetic number, because the mean of its divisors is an integer number (17260869).

Almost surely, 2^34521737 is an apocalyptic number.

It is an amenable number.

34521737 is a deficient number, since it is larger than the sum of its proper divisors (1).

34521737 is an equidigital number, since it uses as much as digits as its factorization.

34521737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 32.

The square root of 34521737 is about 5875.5201471870. The cubic root of 34521737 is about 325.6098592287.

The spelling of 34521737 in words is "thirty-four million, five hundred twenty-one thousand, seven hundred thirty-seven".