672754247 has 4 divisors (see below), whose sum is σ = 733913736. Its totient is φ = 611594760.

The previous prime is 672754241. The next prime is 672754249. The reversal of 672754247 is 742457276.

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 672754247 - 2²² = 668559943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 672754198 and 672754207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672754241) 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, 30579728 + ... + 30579749.

It is an arithmetic number, because the mean of its divisors is an integer number (183478434).

Almost surely, 2^672754247 is an apocalyptic number.

672754247 is a deficient number, since it is larger than the sum of its proper divisors (61159489).

672754247 is a wasteful number, since it uses less digits than its factorization.

672754247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61159488.

The product of its digits is 658560, while the sum is 44.

The square root of 672754247 is about 25937.5065686739. The cubic root of 672754247 is about 876.2314077494.

The spelling of 672754247 in words is "six hundred seventy-two million, seven hundred fifty-four thousand, two hundred forty-seven".