77346137 has 4 divisors (see below), whose sum is σ = 84377616. Its totient is φ = 70314660.

The previous prime is 77346091. The next prime is 77346149. The reversal of 77346137 is 73164377.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 77346137 - 2¹⁶ = 77280601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77346137.

It is not an unprimeable number, because it can be changed into a prime (77346167) 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 in 3 ways as a sum of consecutive naturals, for example, 3515723 + ... + 3515744.

It is an arithmetic number, because the mean of its divisors is an integer number (21094404).

Almost surely, 2^77346137 is an apocalyptic number.

It is an amenable number.

77346137 is a deficient number, since it is larger than the sum of its proper divisors (7031479).

77346137 is a wasteful number, since it uses less digits than its factorization.

77346137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031478.

The product of its digits is 74088, while the sum is 38.

The square root of 77346137 is about 8794.6652579845. The cubic root of 77346137 is about 426.0686132659.

The spelling of 77346137 in words is "seventy-seven million, three hundred forty-six thousand, one hundred thirty-seven".