3703740421 has 2 divisors, whose sum is σ = 3703740422. Its totient is φ = 3703740420.

The previous prime is 3703740353. The next prime is 3703740449. The reversal of 3703740421 is 1240473073.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3661944196 + 41796225 = 60514^2 + 6465^2 .

It is a cyclic number.

It is not a de Polignac number, because 3703740421 - 2⁹ = 3703739909 is a prime.

It is a super-2 number, since 2×3703740421² = 27435386212298514482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3703740121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1851870210 + 1851870211.

It is an arithmetic number, because the mean of its divisors is an integer number (1851870211).

Almost surely, 2^3703740421 is an apocalyptic number.

It is an amenable number.

3703740421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3703740421 is an equidigital number, since it uses as much as digits as its factorization.

3703740421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 3703740421 is about 60858.3636076423. The cubic root of 3703740421 is about 1547.2013906518.

The spelling of 3703740421 in words is "three billion, seven hundred three million, seven hundred forty thousand, four hundred twenty-one".