77340763 has 4 divisors (see below), whose sum is σ = 78319840. Its totient is φ = 76361688.

The previous prime is 77340751. The next prime is 77340779. The reversal of 77340763 is 36704377.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36704377 = 17 ⋅2159081.

It is a cyclic number.

It is not a de Polignac number, because 77340763 - 2²¹ = 75243611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77340793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489420 + ... + 489577.

It is an arithmetic number, because the mean of its divisors is an integer number (19579960).

Almost surely, 2^77340763 is an apocalyptic number.

77340763 is a deficient number, since it is larger than the sum of its proper divisors (979077).

77340763 is an equidigital number, since it uses as much as digits as its factorization.

77340763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979076.

The product of its (nonzero) digits is 74088, while the sum is 37.

The square root of 77340763 is about 8794.3597265520. The cubic root of 77340763 is about 426.0587453059.

The spelling of 77340763 in words is "seventy-seven million, three hundred forty thousand, seven hundred sixty-three".