672069953 has 4 divisors (see below), whose sum is σ = 678595008. Its totient is φ = 665544900.

The previous prime is 672069949. The next prime is 672069977. The reversal of 672069953 is 359960276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 672069953 - 2² = 672069949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 672069898 and 672069907.

It is not an unprimeable number, because it can be changed into a prime (672069053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3262373 + ... + 3262578.

It is an arithmetic number, because the mean of its divisors is an integer number (169648752).

Almost surely, 2^672069953 is an apocalyptic number.

It is an amenable number.

672069953 is a deficient number, since it is larger than the sum of its proper divisors (6525055).

672069953 is a wasteful number, since it uses less digits than its factorization.

672069953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525054.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 672069953 is about 25924.3120063002. The cubic root of 672069953 is about 875.9342198300.

The spelling of 672069953 in words is "six hundred seventy-two million, sixty-nine thousand, nine hundred fifty-three".