672403441 has 4 divisors (see below), whose sum is σ = 681873984. Its totient is φ = 662932900.

The previous prime is 672403399. The next prime is 672403447. The reversal of 672403441 is 144304276.

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 672403441 - 2⁷ = 672403313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672403447) 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, 4735165 + ... + 4735306.

It is an arithmetic number, because the mean of its divisors is an integer number (170468496).

Almost surely, 2^672403441 is an apocalyptic number.

It is an amenable number.

672403441 is a deficient number, since it is larger than the sum of its proper divisors (9470543).

672403441 is an equidigital number, since it uses as much as digits as its factorization.

672403441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9470542.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 672403441 is about 25930.7431632801. The cubic root of 672403441 is about 876.0790783856.

The spelling of 672403441 in words is "six hundred seventy-two million, four hundred three thousand, four hundred forty-one".