1672212799 has 4 divisors (see below), whose sum is σ = 1687841064. Its totient is φ = 1656584536.

The previous prime is 1672212797. The next prime is 1672212811. The reversal of 1672212799 is 9972122761.

It is a happy number.

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 1672212799 - 2¹ = 1672212797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672212791) 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, 7813972 + ... + 7814185.

It is an arithmetic number, because the mean of its divisors is an integer number (421960266).

Almost surely, 2^1672212799 is an apocalyptic number.

1672212799 is a deficient number, since it is larger than the sum of its proper divisors (15628265).

1672212799 is a wasteful number, since it uses less digits than its factorization.

1672212799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15628264.

The product of its digits is 190512, while the sum is 46.

The square root of 1672212799 is about 40892.6986025623. The cubic root of 1672212799 is about 1186.9447788043.

The spelling of 1672212799 in words is "one billion, six hundred seventy-two million, two hundred twelve thousand, seven hundred ninety-nine".