3750729947 has 2 divisors, whose sum is σ = 3750729948. Its totient is φ = 3750729946.

The previous prime is 3750729883. The next prime is 3750729971. The reversal of 3750729947 is 7499270573.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3750729947 - 2⁶ = 3750729883 is a prime.

It is not a weakly prime, because it can be changed into another prime (3750729977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1875364973 + 1875364974.

It is an arithmetic number, because the mean of its divisors is an integer number (1875364974).

Almost surely, 2^3750729947 is an apocalyptic number.

3750729947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3750729947 is an equidigital number, since it uses as much as digits as its factorization.

3750729947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3333960, while the sum is 53.

The square root of 3750729947 is about 61243.2032718734. The cubic root of 3750729947 is about 1553.7170515501.

The spelling of 3750729947 in words is "three billion, seven hundred fifty million, seven hundred twenty-nine thousand, nine hundred forty-seven".