1672611607 has 4 divisors (see below), whose sum is σ = 1708199136. Its totient is φ = 1637024080.

The previous prime is 1672611599. The next prime is 1672611653. The reversal of 1672611607 is 7061162761.

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 1672611607 - 2³ = 1672611599 is a prime.

It is a super-2 number, since 2×1672611607² = 5595259175742244898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672612607) 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, 17793694 + ... + 17793787.

It is an arithmetic number, because the mean of its divisors is an integer number (427049784).

Almost surely, 2^1672611607 is an apocalyptic number.

1672611607 is a deficient number, since it is larger than the sum of its proper divisors (35587529).

1672611607 is an equidigital number, since it uses as much as digits as its factorization.

1672611607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35587528.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 1672611607 is about 40897.5745857869. The cubic root of 1672611607 is about 1187.0391299235.

The spelling of 1672611607 in words is "one billion, six hundred seventy-two million, six hundred eleven thousand, six hundred seven".