79083749 has 4 divisors (see below), whose sum is σ = 79310700. Its totient is φ = 78856800.

The previous prime is 79083733. The next prime is 79083761. The reversal of 79083749 is 94738097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94738097 = 89 ⋅1064473.

It can be written as a sum of positive squares in 2 ways, for example, as 72982849 + 6100900 = 8543^2 + 2470^2 .

It is a cyclic number.

It is not a de Polignac number, because 79083749 - 2⁴ = 79083733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79083799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112952 + ... + 113649.

It is an arithmetic number, because the mean of its divisors is an integer number (19827675).

Almost surely, 2^79083749 is an apocalyptic number.

It is an amenable number.

79083749 is a deficient number, since it is larger than the sum of its proper divisors (226951).

79083749 is a wasteful number, since it uses less digits than its factorization.

79083749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226950.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 79083749 is about 8892.9044186925. The cubic root of 79083749 is about 429.2356151433.

The spelling of 79083749 in words is "seventy-nine million, eighty-three thousand, seven hundred forty-nine".