80736349 has 8 divisors (see below), whose sum is σ = 85590648. Its totient is φ = 75893760.

The previous prime is 80736329. The next prime is 80736373. The reversal of 80736349 is 94363708.

80736349 = T₇₃₃₅ + T₇₃₃₆ + T₇₃₃₇.

It can be written as a sum of positive squares in 4 ways, for example, as 60996100 + 19740249 = 7810^2 + 4443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80736349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80736329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14179 + ... + 19039.

It is an arithmetic number, because the mean of its divisors is an integer number (10698831).

Almost surely, 2^80736349 is an apocalyptic number.

80736349 is the 7337-th centered triangular number.

It is an amenable number.

80736349 is a deficient number, since it is larger than the sum of its proper divisors (4854299).

80736349 is a wasteful number, since it uses less digits than its factorization.

80736349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 80736349 is about 8985.3407837433. The cubic root of 80736349 is about 432.2049157160.

The spelling of 80736349 in words is "eighty million, seven hundred thirty-six thousand, three hundred forty-nine".