76201949 has 2 divisors, whose sum is σ = 76201950. Its totient is φ = 76201948.

The previous prime is 76201943. The next prime is 76201963. The reversal of 76201949 is 94910267.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63313849 + 12888100 = 7957^2 + 3590^2 .

It is an emirp because it is prime and its reverse (94910267) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76201949 - 2¹⁶ = 76136413 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76201943) 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, 38100974 + 38100975.

It is an arithmetic number, because the mean of its divisors is an integer number (38100975).

Almost surely, 2^76201949 is an apocalyptic number.

It is an amenable number.

76201949 is a deficient number, since it is larger than the sum of its proper divisors (1).

76201949 is an equidigital number, since it uses as much as digits as its factorization.

76201949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 76201949 is about 8729.3727724276. The cubic root of 76201949 is about 423.9572109573.

The spelling of 76201949 in words is "seventy-six million, two hundred one thousand, nine hundred forty-nine".