80672465 has 4 divisors (see below), whose sum is σ = 96806964. Its totient is φ = 64537968.

The previous prime is 80672453. The next prime is 80672483. The reversal of 80672465 is 56427608.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22165264 + 58507201 = 4708^2 + 7649^2 .

It is a cyclic number.

It is not a de Polignac number, because 80672465 - 2¹² = 80668369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8067242 + ... + 8067251.

It is an arithmetic number, because the mean of its divisors is an integer number (24201741).

Almost surely, 2^80672465 is an apocalyptic number.

It is an amenable number.

80672465 is a deficient number, since it is larger than the sum of its proper divisors (16134499).

80672465 is a wasteful number, since it uses less digits than its factorization.

80672465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16134498.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 80672465 is about 8981.7851789051. The cubic root of 80672465 is about 432.0908891554.

The spelling of 80672465 in words is "eighty million, six hundred seventy-two thousand, four hundred sixty-five".