3740757021 has 6 divisors (see below), whose sum is σ = 5403315710. Its totient is φ = 2493838008.

The previous prime is 3740757001. The next prime is 3740757023. The reversal of 3740757021 is 1207570473.

It can be written as a sum of positive squares in only one way, i.e., 2343044025 + 1397712996 = 48405^2 + 37386^2 .

It is not a de Polignac number, because 3740757021 - 2⁵ = 3740756989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3740757023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207819826 + ... + 207819843.

Almost surely, 2^3740757021 is an apocalyptic number.

It is an amenable number.

3740757021 is a deficient number, since it is larger than the sum of its proper divisors (1662558689).

3740757021 is a wasteful number, since it uses less digits than its factorization.

3740757021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415639675 (or 415639672 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 3740757021 is about 61161.7284010189. The cubic root of 3740757021 is about 1552.3387545977.

It can be divided in two parts, 3740 and 757021, that added together give a triangular number (760761 = T₁₂₃₃).

The spelling of 3740757021 in words is "three billion, seven hundred forty million, seven hundred fifty-seven thousand, twenty-one".