3573132781 has 8 divisors (see below), whose sum is σ = 3602592128. Its totient is φ = 3543750000.

The previous prime is 3573132769. The next prime is 3573132851. The reversal of 3573132781 is 1872313753.

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

It is a 8-Lehmer number, since φ(3573132781) divides (3573132781-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 3573132781 - 2¹⁹ = 3572608493 is a prime.

It is a super-2 number, since 2×3573132781² = 25534555741313587922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3573132721) 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, 76531 + ... + 114031.

It is an arithmetic number, because the mean of its divisors is an integer number (450324016).

Almost surely, 2^3573132781 is an apocalyptic number.

3573132781 is the 26733-rd centered decagonal number.

It is an amenable number.

3573132781 is a deficient number, since it is larger than the sum of its proper divisors (29459347).

3573132781 is a wasteful number, since it uses less digits than its factorization.

3573132781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38283.

The product of its digits is 105840, while the sum is 40.

The square root of 3573132781 is about 59775.6872064220. The cubic root of 3573132781 is about 1528.7966360564.

The spelling of 3573132781 in words is "three billion, five hundred seventy-three million, one hundred thirty-two thousand, seven hundred eighty-one".