672299533 has 2 divisors, whose sum is σ = 672299534. Its totient is φ = 672299532.

The previous prime is 672299491. The next prime is 672299567. The reversal of 672299533 is 335992276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487393929 + 184905604 = 22077^2 + 13598^2 .

It is a cyclic number.

It is not a de Polignac number, because 672299533 - 2¹³ = 672291341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672291533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336149766 + 336149767.

It is an arithmetic number, because the mean of its divisors is an integer number (336149767).

Almost surely, 2^672299533 is an apocalyptic number.

It is an amenable number.

672299533 is a deficient number, since it is larger than the sum of its proper divisors (1).

672299533 is an equidigital number, since it uses as much as digits as its factorization.

672299533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 46.

The square root of 672299533 is about 25928.7395181486. The cubic root of 672299533 is about 876.0339485777.

The spelling of 672299533 in words is "six hundred seventy-two million, two hundred ninety-nine thousand, five hundred thirty-three".