3625722 has 20 divisors (see below), whose sum is σ = 8124666. Its totient is φ = 1208520.

The previous prime is 3625711. The next prime is 3625733. The reversal of 3625722 is 2275263.

It is an interprime number because it is at equal distance from previous prime (3625711) and next prime (3625733).

It can be written as a sum of positive squares in only one way, i.e., 2954961 + 670761 = 1719^2 + 819^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11029 + ... + 11352.

Almost surely, 2^3625722 is an apocalyptic number.

3625722 is an abundant number, since it is smaller than the sum of its proper divisors (4498944).

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

3625722 is a wasteful number, since it uses less digits than its factorization.

3625722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22395 (or 22386 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 3625722 is about 1904.1328735149. The cubic root of 3625722 is about 153.6260392866.

It can be divided in two parts, 362 and 5722, that added together give a square (6084 = 78²).

The spelling of 3625722 in words is "three million, six hundred twenty-five thousand, seven hundred twenty-two".