5620729 has 4 divisors (see below), whose sum is σ = 5655376. Its totient is φ = 5586084.

The previous prime is 5620721. The next prime is 5620787. The reversal of 5620729 is 9270265.

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 5620729 - 2³ = 5620721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5620729.

It is not an unprimeable number, because it can be changed into a prime (5620721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17079 + ... + 17404.

It is an arithmetic number, because the mean of its divisors is an integer number (1413844).

Almost surely, 2^5620729 is an apocalyptic number.

It is an amenable number.

5620729 is a deficient number, since it is larger than the sum of its proper divisors (34647).

5620729 is a wasteful number, since it uses less digits than its factorization.

5620729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34646.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 5620729 is about 2370.8076682852. The cubic root of 5620729 is about 177.7996420013.

The spelling of 5620729 in words is "five million, six hundred twenty thousand, seven hundred twenty-nine".