77674345 has 16 divisors (see below), whose sum is σ = 106668288. Its totient is φ = 53190720.

The previous prime is 77674339. The next prime is 77674349. The reversal of 77674345 is 54347677.

It is not a de Polignac number, because 77674345 - 2⁷ = 77674217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77674349) 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 15 ways as a sum of consecutive naturals, for example, 47532 + ... + 49138.

It is an arithmetic number, because the mean of its divisors is an integer number (6666768).

Almost surely, 2^77674345 is an apocalyptic number.

It is an amenable number.

77674345 is a deficient number, since it is larger than the sum of its proper divisors (28993943).

77674345 is a wasteful number, since it uses less digits than its factorization.

77674345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000.

The product of its digits is 493920, while the sum is 43.

The square root of 77674345 is about 8813.3049986937. The cubic root of 77674345 is about 426.6704179222.

The spelling of 77674345 in words is "seventy-seven million, six hundred seventy-four thousand, three hundred forty-five".