3740720407 has 2 divisors, whose sum is σ = 3740720408. Its totient is φ = 3740720406.

The previous prime is 3740720381. The next prime is 3740720429. The reversal of 3740720407 is 7040270473.

It is a happy number.

3740720407 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3740720407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3740790407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1870360203 + 1870360204.

It is an arithmetic number, because the mean of its divisors is an integer number (1870360204).

Almost surely, 2^3740720407 is an apocalyptic number.

3740720407 is a deficient number, since it is larger than the sum of its proper divisors (1).

3740720407 is an equidigital number, since it uses as much as digits as its factorization.

3740720407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 3740720407 is about 61161.4290791182. The cubic root of 3740720407 is about 1552.3336898905. Note that the first 3 decimals are identical.

The spelling of 3740720407 in words is "three billion, seven hundred forty million, seven hundred twenty thousand, four hundred seven".