1672244465 has 8 divisors (see below), whose sum is σ = 2008509480. Its totient is φ = 1336584832.

The previous prime is 1672244411. The next prime is 1672244477. The reversal of 1672244465 is 5644422761.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 149059681 + 1523184784 = 12209^2 + 39028^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1672244465 - 2²⁸ = 1403809009 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145244 + ... + 156333.

It is an arithmetic number, because the mean of its divisors is an integer number (251063685).

Almost surely, 2^1672244465 is an apocalyptic number.

It is an amenable number.

1672244465 is a deficient number, since it is larger than the sum of its proper divisors (336265015).

1672244465 is a wasteful number, since it uses less digits than its factorization.

1672244465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302691.

The product of its digits is 322560, while the sum is 41.

The square root of 1672244465 is about 40893.0857847632. The cubic root of 1672244465 is about 1186.9522709839.

The spelling of 1672244465 in words is "one billion, six hundred seventy-two million, two hundred forty-four thousand, four hundred sixty-five".