3740046781 has 4 divisors (see below), whose sum is σ = 3740873500. Its totient is φ = 3739220064.

The previous prime is 3740046769. The next prime is 3740046787. The reversal of 3740046781 is 1876400473.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2146839556 + 1593207225 = 46334^2 + 39915^2 .

It is a cyclic number.

It is not a de Polignac number, because 3740046781 - 2²⁷ = 3605829053 is a prime.

It is a super-2 number, since 2×3740046781² = 27975899848136923922, 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 (3740046787) 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, 406536 + ... + 415633.

It is an arithmetic number, because the mean of its divisors is an integer number (935218375).

Almost surely, 2^3740046781 is an apocalyptic number.

It is an amenable number.

3740046781 is a deficient number, since it is larger than the sum of its proper divisors (826719).

3740046781 is an equidigital number, since it uses as much as digits as its factorization.

3740046781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826718.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 3740046781 is about 61155.9218800600. The cubic root of 3740046781 is about 1552.2405032851.

The spelling of 3740046781 in words is "three billion, seven hundred forty million, forty-six thousand, seven hundred eighty-one".