3547257242 has 8 divisors (see below), whose sum is σ = 5323213236. Its totient is φ = 1772852832.

The previous prime is 3547257227. The next prime is 3547257253. The reversal of 3547257242 is 2427527453.

It can be written as a sum of positive squares in 2 ways, for example, as 3279967441 + 267289801 = 57271^2 + 16349^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 3547257242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382163 + ... + 391334.

Almost surely, 2^3547257242 is an apocalyptic number.

3547257242 is a deficient number, since it is larger than the sum of its proper divisors (1775955994).

3547257242 is a wasteful number, since it uses less digits than its factorization.

3547257242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775792.

The product of its digits is 470400, while the sum is 41.

The square root of 3547257242 is about 59558.8552777838. The cubic root of 3547257242 is about 1525.0973320660.

The spelling of 3547257242 in words is "three billion, five hundred forty-seven million, two hundred fifty-seven thousand, two hundred forty-two".