3452731 has 4 divisors (see below), whose sum is σ = 3472200. Its totient is φ = 3433264.

The previous prime is 3452723. The next prime is 3452747. The reversal of 3452731 is 1372543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3452731 - 2³ = 3452723 is a prime.

It is a super-2 number, since 2×3452731² = 23842702716722, which contains 22 as substring.

It is a Duffinian number.

3452731 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3452696 and 3452705.

It is not an unprimeable number, because it can be changed into a prime (3452431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9466 + ... + 9823.

It is an arithmetic number, because the mean of its divisors is an integer number (868050).

Almost surely, 2^3452731 is an apocalyptic number.

3452731 is a deficient number, since it is larger than the sum of its proper divisors (19469).

3452731 is a wasteful number, since it uses less digits than its factorization.

3452731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19468.

The product of its digits is 2520, while the sum is 25.

The square root of 3452731 is about 1858.1525771583. The cubic root of 3452731 is about 151.1428410198.

The spelling of 3452731 in words is "three million, four hundred fifty-two thousand, seven hundred thirty-one".