77343037 has 2 divisors, whose sum is σ = 77343038. Its totient is φ = 77343036.

The previous prime is 77343031. The next prime is 77343103. The reversal of 77343037 is 73034377.

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., 73633561 + 3709476 = 8581^2 + 1926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77343037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77342993 and 77343011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77343031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38671518 + 38671519.

It is an arithmetic number, because the mean of its divisors is an integer number (38671519).

Almost surely, 2^77343037 is an apocalyptic number.

It is an amenable number.

77343037 is a deficient number, since it is larger than the sum of its proper divisors (1).

77343037 is an equidigital number, since it uses as much as digits as its factorization.

77343037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37044, while the sum is 34.

The square root of 77343037 is about 8794.4890130126. The cubic root of 77343037 is about 426.0629209741.

The spelling of 77343037 in words is "seventy-seven million, three hundred forty-three thousand, thirty-seven".