1672397093 has 4 divisors (see below), whose sum is σ = 1713187308. Its totient is φ = 1631606880.

The previous prime is 1672397017. The next prime is 1672397101. The reversal of 1672397093 is 3907932761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3907932761 = 2467 ⋅1584083.

It can be written as a sum of positive squares in 2 ways, for example, as 328588129 + 1343808964 = 18127^2 + 36658^2 .

It is a cyclic number.

It is not a de Polignac number, because 1672397093 - 2⁸ = 1672396837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672394093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20395046 + ... + 20395127.

It is an arithmetic number, because the mean of its divisors is an integer number (428296827).

Almost surely, 2^1672397093 is an apocalyptic number.

It is an amenable number.

1672397093 is a deficient number, since it is larger than the sum of its proper divisors (40790215).

1672397093 is an equidigital number, since it uses as much as digits as its factorization.

1672397093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40790214.

The product of its (nonzero) digits is 428652, while the sum is 47.

The square root of 1672397093 is about 40894.9519256350. The cubic root of 1672397093 is about 1186.9883814617.

The spelling of 1672397093 in words is "one billion, six hundred seventy-two million, three hundred ninety-seven thousand, ninety-three".