1672217453 has 8 divisors (see below), whose sum is σ = 1676551968. Its totient is φ = 1667890224.

The previous prime is 1672217447. The next prime is 1672217501. The reversal of 1672217453 is 3547122761.

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 1672217453 - 2¹⁸ = 1671955309 is a prime.

It is a super-2 number, since 2×1672217453² = 5592622420235614418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672217413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126850 + ... + 1128332.

It is an arithmetic number, because the mean of its divisors is an integer number (209568996).

Almost surely, 2^1672217453 is an apocalyptic number.

It is an amenable number.

1672217453 is a deficient number, since it is larger than the sum of its proper divisors (4334515).

1672217453 is a wasteful number, since it uses less digits than its factorization.

1672217453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643.

The product of its digits is 70560, while the sum is 38.

The square root of 1672217453 is about 40892.7555075468. The cubic root of 1672217453 is about 1186.9458799472.

The spelling of 1672217453 in words is "one billion, six hundred seventy-two million, two hundred seventeen thousand, four hundred fifty-three".