3673056781 has 4 divisors (see below), whose sum is σ = 3727878592. Its totient is φ = 3618234972.

The previous prime is 3673056769. The next prime is 3673056787. The reversal of 3673056781 is 1876503763.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1876503763 = 73 ⋅25705531.

It is a cyclic number.

It is not a de Polignac number, because 3673056781 - 2⁵ = 3673056749 is a prime.

It is a super-2 number, since 2×3673056781² = 26982692232900163922, 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 (3673056787) 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, 27410805 + ... + 27410938.

It is an arithmetic number, because the mean of its divisors is an integer number (931969648).

Almost surely, 2^3673056781 is an apocalyptic number.

It is an amenable number.

3673056781 is a deficient number, since it is larger than the sum of its proper divisors (54821811).

3673056781 is an equidigital number, since it uses as much as digits as its factorization.

3673056781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54821810.

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 3673056781 is about 60605.7487454779. The cubic root of 3673056781 is about 1542.9169402827.

The spelling of 3673056781 in words is "three billion, six hundred seventy-three million, fifty-six thousand, seven hundred eighty-one".