80917490 has 16 divisors (see below), whose sum is σ = 145917720. Its totient is φ = 32307840.

The previous prime is 80917489. The next prime is 80917549. The reversal of 80917490 is 9471908.

It can be written as a sum of positive squares in 4 ways, for example, as 58629649 + 22287841 = 7657^2 + 4721^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421 + ... + 12800.

Almost surely, 2^80917490 is an apocalyptic number.

80917490 is a deficient number, since it is larger than the sum of its proper divisors (65000230).

80917490 is a wasteful number, since it uses less digits than its factorization.

80917490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14797.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 80917490 is about 8995.4149431808. The cubic root of 80917490 is about 432.5279075847.

The spelling of 80917490 in words is "eighty million, nine hundred seventeen thousand, four hundred ninety".