80617340 has 12 divisors (see below), whose sum is σ = 169296456. Its totient is φ = 32246928.

The previous prime is 80617337. The next prime is 80617343. The reversal of 80617340 is 4371608.

It is an interprime number because it is at equal distance from previous prime (80617337) and next prime (80617343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80617343) 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, 2015414 + ... + 2015453.

It is an arithmetic number, because the mean of its divisors is an integer number (14108038).

Almost surely, 2^80617340 is an apocalyptic number.

It is an amenable number.

80617340 is an abundant number, since it is smaller than the sum of its proper divisors (88679116).

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

80617340 is a wasteful number, since it uses less digits than its factorization.

80617340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030876 (or 4030874 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 80617340 is about 8978.7159438307. The cubic root of 80617340 is about 431.9924481419.

Adding to 80617340 its reverse (4371608), we get a palindrome (84988948).

The spelling of 80617340 in words is "eighty million, six hundred seventeen thousand, three hundred forty".