1672371011 has 4 divisors (see below), whose sum is σ = 1677190872. Its totient is φ = 1667551152.

The previous prime is 1672370911. The next prime is 1672371047. The reversal of 1672371011 is 1101732761.

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

It is a cyclic number.

It is not a de Polignac number, because 1672371011 - 2²² = 1668176707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672371091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2409410 + ... + 2410103.

It is an arithmetic number, because the mean of its divisors is an integer number (419297718).

Almost surely, 2^1672371011 is an apocalyptic number.

1672371011 is a deficient number, since it is larger than the sum of its proper divisors (4819861).

1672371011 is an equidigital number, since it uses as much as digits as its factorization.

1672371011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819860.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 1672371011 is about 40894.6330341770. The cubic root of 1672371011 is about 1186.9822108395.

The spelling of 1672371011 in words is "one billion, six hundred seventy-two million, three hundred seventy-one thousand, eleven".