3674803781 has 4 divisors (see below), whose sum is σ = 4008876864. Its totient is φ = 3340730700.

The previous prime is 3674803763. The next prime is 3674803787. The reversal of 3674803781 is 1873084763.

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.

It is a cyclic number.

It is not a de Polignac number, because 3674803781 - 2²² = 3670609477 is a prime.

It is a super-2 number, since 2×3674803781² = 27008365657703791922, 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 (3674803787) 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, 167036525 + ... + 167036546.

It is an arithmetic number, because the mean of its divisors is an integer number (1002219216).

Almost surely, 2^3674803781 is an apocalyptic number.

It is an amenable number.

3674803781 is a deficient number, since it is larger than the sum of its proper divisors (334073083).

3674803781 is a wasteful number, since it uses less digits than its factorization.

3674803781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334073082.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 3674803781 is about 60620.1598562722. The cubic root of 3674803781 is about 1543.1615184658.

The spelling of 3674803781 in words is "three billion, six hundred seventy-four million, eight hundred three thousand, seven hundred eighty-one".