3766720501 has 2 divisors, whose sum is σ = 3766720502. Its totient is φ = 3766720500.

The previous prime is 3766720487. The next prime is 3766720541. The reversal of 3766720501 is 1050276673.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3715024401 + 51696100 = 60951^2 + 7190^2 .

It is a cyclic number.

It is not a de Polignac number, because 3766720501 - 2¹³ = 3766712309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3766720541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1883360250 + 1883360251.

It is an arithmetic number, because the mean of its divisors is an integer number (1883360251).

Almost surely, 2^3766720501 is an apocalyptic number.

It is an amenable number.

3766720501 is a deficient number, since it is larger than the sum of its proper divisors (1).

3766720501 is an equidigital number, since it uses as much as digits as its factorization.

3766720501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 3766720501 is about 61373.6140454512. The cubic root of 3766720501 is about 1555.9219177197.

The spelling of 3766720501 in words is "three billion, seven hundred sixty-six million, seven hundred twenty thousand, five hundred one".