672990803 has 2 divisors, whose sum is σ = 672990804. Its totient is φ = 672990802.

The previous prime is 672990797. The next prime is 672990839. The reversal of 672990803 is 308099276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 672990803 - 2⁸ = 672990547 is a prime.

It is a super-3 number, since 3×672990803³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (672990853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336495401 + 336495402.

It is an arithmetic number, because the mean of its divisors is an integer number (336495402).

Almost surely, 2^672990803 is an apocalyptic number.

672990803 is a deficient number, since it is larger than the sum of its proper divisors (1).

672990803 is an equidigital number, since it uses as much as digits as its factorization.

672990803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 672990803 is about 25942.0662823916. The cubic root of 672990803 is about 876.3340968111.

The spelling of 672990803 in words is "six hundred seventy-two million, nine hundred ninety thousand, eight hundred three".