1672395674 has 4 divisors (see below), whose sum is σ = 2508593514. Its totient is φ = 836197836.

The previous prime is 1672395661. The next prime is 1672395677. The reversal of 1672395674 is 4765932761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1652991649 + 19404025 = 40657^2 + 4405^2 .

It is not an unprimeable number, because it can be changed into a prime (1672395677) 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 as a sum of consecutive naturals, namely, 418098917 + ... + 418098920.

Almost surely, 2^1672395674 is an apocalyptic number.

1672395674 is a deficient number, since it is larger than the sum of its proper divisors (836197840).

1672395674 is an equidigital number, since it uses as much as digits as its factorization.

1672395674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836197839.

The product of its digits is 1905120, while the sum is 50.

The square root of 1672395674 is about 40894.9345763017. The cubic root of 1672395674 is about 1186.9880457486.

The spelling of 1672395674 in words is "one billion, six hundred seventy-two million, three hundred ninety-five thousand, six hundred seventy-four".