3561723 has 12 divisors (see below), whose sum is σ = 5612568. Its totient is φ = 2158560.

The previous prime is 3561703. The next prime is 3561749. The reversal of 3561723 is 3271653.

It is a happy number.

It is not a de Polignac number, because 3561723 - 2⁶ = 3561659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3561703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17890 + ... + 18087.

It is an arithmetic number, because the mean of its divisors is an integer number (467714).

Almost surely, 2^3561723 is an apocalyptic number.

3561723 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3561723 is a deficient number, since it is larger than the sum of its proper divisors (2050845).

3561723 is a wasteful number, since it uses less digits than its factorization.

3561723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35994 (or 35991 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 3561723 is about 1887.2527652649. The cubic root of 3561723 is about 152.7167642159.

The spelling of 3561723 in words is "three million, five hundred sixty-one thousand, seven hundred twenty-three".