3505722 has 16 divisors (see below), whose sum is σ = 7648992. Its totient is φ = 1062320.

The previous prime is 3505699. The next prime is 3505727. The reversal of 3505722 is 2275053.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3505692 and 3505701.

It is not an unprimeable number, because it can be changed into a prime (3505727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26493 + ... + 26624.

It is an arithmetic number, because the mean of its divisors is an integer number (478062).

Almost surely, 2^3505722 is an apocalyptic number.

3505722 is an abundant number, since it is smaller than the sum of its proper divisors (4143270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3505722 is a wasteful number, since it uses less digits than its factorization.

3505722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53133.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 3505722 is about 1872.3573376896. The cubic root of 3505722 is about 151.9121433649.

The spelling of 3505722 in words is "three million, five hundred five thousand, seven hundred twenty-two".