77340337 has 4 divisors (see below), whose sum is σ = 77506416. Its totient is φ = 77174260.

The previous prime is 77340287. The next prime is 77340353. The reversal of 77340337 is 73304377.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-77340337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77340437) 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, 82339 + ... + 83272.

It is an arithmetic number, because the mean of its divisors is an integer number (19376604).

Almost surely, 2^77340337 is an apocalyptic number.

It is an amenable number.

77340337 is a deficient number, since it is larger than the sum of its proper divisors (166079).

77340337 is a wasteful number, since it uses less digits than its factorization.

77340337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166078.

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

The square root of 77340337 is about 8794.3355064496. The cubic root of 77340337 is about 426.0579630476.

It can be divided in two parts, 77340 and 337, that added together give a palindrome (77677).

The spelling of 77340337 in words is "seventy-seven million, three hundred forty thousand, three hundred thirty-seven".