34020437 has 4 divisors (see below), whose sum is σ = 37113216. Its totient is φ = 30927660.

The previous prime is 34020421. The next prime is 34020457. The reversal of 34020437 is 73402043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34020437 - 2⁴ = 34020421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34020457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1546373 + ... + 1546394.

It is an arithmetic number, because the mean of its divisors is an integer number (9278304).

Almost surely, 2^34020437 is an apocalyptic number.

It is an amenable number.

34020437 is a deficient number, since it is larger than the sum of its proper divisors (3092779).

34020437 is a wasteful number, since it uses less digits than its factorization.

34020437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092778.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 34020437 is about 5832.7040898712. The cubic root of 34020437 is about 324.0260768779.

The spelling of 34020437 in words is "thirty-four million, twenty thousand, four hundred thirty-seven".