3572731 has 2 divisors, whose sum is σ = 3572732. Its totient is φ = 3572730.

The previous prime is 3572729. The next prime is 3572819. The reversal of 3572731 is 1372753.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3572731 - 2¹ = 3572729 is a prime.

It is a super-2 number, since 2×3572731² = 25528813596722, which contains 22 as substring.

Together with 3572729, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3572731.

It is not a weakly prime, because it can be changed into another prime (3572131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1786365 + 1786366.

It is an arithmetic number, because the mean of its divisors is an integer number (1786366).

Almost surely, 2^3572731 is an apocalyptic number.

3572731 is a deficient number, since it is larger than the sum of its proper divisors (1).

3572731 is an equidigital number, since it uses as much as digits as its factorization.

3572731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 28.

The square root of 3572731 is about 1890.1669238456. The cubic root of 3572731 is about 152.8739332051.

Subtracting from 3572731 its product of digits (4410), we obtain a square (3568321 = 1889²).

The spelling of 3572731 in words is "three million, five hundred seventy-two thousand, seven hundred thirty-one".