3420517437 has 16 divisors (see below), whose sum is σ = 5081255680. Its totient is φ = 2274124896.

The previous prime is 3420517423. The next prime is 3420517447. The reversal of 3420517437 is 7347150243.

3420517437 is a `hidden beast` number, since 3 + 4 + 205 + 17 + 437 = 666.

It is not a de Polignac number, because 3420517437 - 2²⁰ = 3419468861 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 (3420517417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162688 + ... + 182505.

It is an arithmetic number, because the mean of its divisors is an integer number (317578480).

Almost surely, 2^3420517437 is an apocalyptic number.

It is an amenable number.

3420517437 is a deficient number, since it is larger than the sum of its proper divisors (1660738243).

3420517437 is a wasteful number, since it uses less digits than its factorization.

3420517437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345569 (or 345563 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 3420517437 is about 58485.1898945365. The cubic root of 3420517437 is about 1506.7132341693.

The spelling of 3420517437 in words is "three billion, four hundred twenty million, five hundred seventeen thousand, four hundred thirty-seven".