1672240971 has 8 divisors (see below), whose sum is σ = 2229955984. Its totient is φ = 1114676640.

The previous prime is 1672240963. The next prime is 1672240991. The reversal of 1672240971 is 1790422761.

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

It is not a de Polignac number, because 1672240971 - 2³ = 1672240963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672240991) 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, 8560 + ... + 58461.

It is an arithmetic number, because the mean of its divisors is an integer number (278744498).

Almost surely, 2^1672240971 is an apocalyptic number.

1672240971 is a deficient number, since it is larger than the sum of its proper divisors (557715013).

1672240971 is an equidigital number, since it uses as much as digits as its factorization.

1672240971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75341.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 1672240971 is about 40893.0430635823. The cubic root of 1672240971 is about 1186.9514443077.

The spelling of 1672240971 in words is "one billion, six hundred seventy-two million, two hundred forty thousand, nine hundred seventy-one".