79773340 has 12 divisors (see below), whose sum is σ = 167524056. Its totient is φ = 31909328.

The previous prime is 79773311. The next prime is 79773383. The reversal of 79773340 is 4337797.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 79773293 and 79773302.

It is a congruent number.

It is an unprimeable number.

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, 1994314 + ... + 1994353.

It is an arithmetic number, because the mean of its divisors is an integer number (13960338).

Almost surely, 2^79773340 is an apocalyptic number.

It is an amenable number.

79773340 is an abundant number, since it is smaller than the sum of its proper divisors (87750716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79773340 is a wasteful number, since it uses less digits than its factorization.

79773340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988676 (or 3988674 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 40.

The square root of 79773340 is about 8931.5922432677. The cubic root of 79773340 is about 430.4796162767.

The spelling of 79773340 in words is "seventy-nine million, seven hundred seventy-three thousand, three hundred forty".