1672261667 has 8 divisors (see below), whose sum is σ = 1762960416. Its totient is φ = 1583062272.

The previous prime is 1672261637. The next prime is 1672261693. The reversal of 1672261667 is 7661622761.

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 1672261667 - 2⁸ = 1672261411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672261607) 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, 372548 + ... + 377009.

It is an arithmetic number, because the mean of its divisors is an integer number (220370052).

Almost surely, 2^1672261667 is an apocalyptic number.

1672261667 is a deficient number, since it is larger than the sum of its proper divisors (90698749).

1672261667 is an equidigital number, since it uses as much as digits as its factorization.

1672261667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749677.

The product of its digits is 254016, while the sum is 44.

The square root of 1672261667 is about 40893.2961131773. The cubic root of 1672261667 is about 1186.9563409397.

The spelling of 1672261667 in words is "one billion, six hundred seventy-two million, two hundred sixty-one thousand, six hundred sixty-seven".