1673972769 has 8 divisors (see below), whose sum is σ = 2550815680. Its totient is φ = 956555856.

The previous prime is 1673972767. The next prime is 1673972777. The reversal of 1673972769 is 9672793761.

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

It is not a de Polignac number, because 1673972769 - 2¹ = 1673972767 is a prime.

It is a super-2 number, since 2×1673972769² = 5604369662707054722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1673972761) 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, 39856474 + ... + 39856515.

It is an arithmetic number, because the mean of its divisors is an integer number (318851960).

Almost surely, 2^1673972769 is an apocalyptic number.

It is an amenable number.

1673972769 is a deficient number, since it is larger than the sum of its proper divisors (876842911).

1673972769 is an equidigital number, since it uses as much as digits as its factorization.

1673972769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79712999.

The product of its digits is 6001128, while the sum is 57.

The square root of 1673972769 is about 40914.2123106385. The cubic root of 1673972769 is about 1187.3610445570.

The spelling of 1673972769 in words is "one billion, six hundred seventy-three million, nine hundred seventy-two thousand, seven hundred sixty-nine".