73777049 has 2 divisors, whose sum is σ = 73777050. Its totient is φ = 73777048.

The previous prime is 73777037. The next prime is 73777063. The reversal of 73777049 is 94077737.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37295449 + 36481600 = 6107^2 + 6040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73777049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73777069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36888524 + 36888525.

It is an arithmetic number, because the mean of its divisors is an integer number (36888525).

Almost surely, 2^73777049 is an apocalyptic number.

It is an amenable number.

73777049 is a deficient number, since it is larger than the sum of its proper divisors (1).

73777049 is an equidigital number, since it uses as much as digits as its factorization.

73777049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259308, while the sum is 44.

The square root of 73777049 is about 8589.3567279512. The cubic root of 73777049 is about 419.4115891104.

The spelling of 73777049 in words is "seventy-three million, seven hundred seventy-seven thousand, forty-nine".