34927621 has 2 divisors, whose sum is σ = 34927622. Its totient is φ = 34927620.

The previous prime is 34927619. The next prime is 34927637. The reversal of 34927621 is 12672943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28622500 + 6305121 = 5350^2 + 2511^2 .

It is a cyclic number.

It is not a de Polignac number, because 34927621 - 2¹ = 34927619 is a prime.

Together with 34927619, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34927661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17463810 + 17463811.

It is an arithmetic number, because the mean of its divisors is an integer number (17463811).

Almost surely, 2^34927621 is an apocalyptic number.

It is an amenable number.

34927621 is a deficient number, since it is larger than the sum of its proper divisors (1).

34927621 is an equidigital number, since it uses as much as digits as its factorization.

34927621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 34927621 is about 5909.9594753264. The cubic root of 34927621 is about 326.8809930206.

The spelling of 34927621 in words is "thirty-four million, nine hundred twenty-seven thousand, six hundred twenty-one".