1672441457 has 4 divisors (see below), whose sum is σ = 1679439360. Its totient is φ = 1665443556.

The previous prime is 1672441439. The next prime is 1672441501. The reversal of 1672441457 is 7541442761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1672441457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672441417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3498593 + ... + 3499070.

It is an arithmetic number, because the mean of its divisors is an integer number (419859840).

Almost surely, 2^1672441457 is an apocalyptic number.

It is an amenable number.

1672441457 is a deficient number, since it is larger than the sum of its proper divisors (6997903).

1672441457 is an equidigital number, since it uses as much as digits as its factorization.

1672441457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6997902.

The product of its digits is 188160, while the sum is 41.

The square root of 1672441457 is about 40895.4943361735. The cubic root of 1672441457 is about 1186.9988771921.

The spelling of 1672441457 in words is "one billion, six hundred seventy-two million, four hundred forty-one thousand, four hundred fifty-seven".