3740025781 has 8 divisors (see below), whose sum is σ = 3833184600. Its totient is φ = 3646959360.

The previous prime is 3740025769. The next prime is 3740025787. The reversal of 3740025781 is 1875200473.

It can be written as a sum of positive squares in 4 ways, for example, as 39250225 + 3700775556 = 6265^2 + 60834^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3740025781 - 2²⁷ = 3605808053 is a prime.

It is a super-2 number, since 2×3740025781² = 27975585685089319922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3740025781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3740025787) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 62785 + ... + 106873.

It is an arithmetic number, because the mean of its divisors is an integer number (479148075).

Almost surely, 2^3740025781 is an apocalyptic number.

It is an amenable number.

3740025781 is a deficient number, since it is larger than the sum of its proper divisors (93158819).

3740025781 is a wasteful number, since it uses less digits than its factorization.

3740025781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46199.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 3740025781 is about 61155.7501875335. The cubic root of 3740025781 is about 1552.2375980530.

The spelling of 3740025781 in words is "three billion, seven hundred forty million, twenty-five thousand, seven hundred eighty-one".