3552731 has 8 divisors (see below), whose sum is σ = 4372704. Its totient is φ = 2810880.

The previous prime is 3552713. The next prime is 3552751. The reversal of 3552731 is 1372553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3552731 - 2⁶ = 3552667 is a prime.

It is a super-2 number, since 2×3552731² = 25243795116722, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 3552731.

It is not an unprimeable number, because it can be changed into a prime (3552751) 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, 19430 + ... + 19611.

It is an arithmetic number, because the mean of its divisors is an integer number (546588).

Almost surely, 2^3552731 is an apocalyptic number.

3552731 is a deficient number, since it is larger than the sum of its proper divisors (819973).

3552731 is a wasteful number, since it uses less digits than its factorization.

3552731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39061.

The product of its digits is 3150, while the sum is 26.

The square root of 3552731 is about 1884.8689609625. The cubic root of 3552731 is about 152.5881386045.

The spelling of 3552731 in words is "three million, five hundred fifty-two thousand, seven hundred thirty-one".