672635061701 has 2 divisors, whose sum is σ = 672635061702. Its totient is φ = 672635061700.

The previous prime is 672635061689. The next prime is 672635061731. The reversal of 672635061701 is 107160536276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 545236036801 + 127399024900 = 738401^2 + 356930^2 .

It is a cyclic number.

It is not a de Polignac number, because 672635061701 - 2¹⁰ = 672635060677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672635061731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336317530850 + 336317530851.

It is an arithmetic number, because the mean of its divisors is an integer number (336317530851).

Almost surely, 2^672635061701 is an apocalyptic number.

It is an amenable number.

672635061701 is a deficient number, since it is larger than the sum of its proper divisors (1).

672635061701 is an equidigital number, since it uses as much as digits as its factorization.

672635061701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 44.

Adding to 672635061701 its reverse (107160536276), we get a palindrome (779795597977).

The spelling of 672635061701 in words is "six hundred seventy-two billion, six hundred thirty-five million, sixty-one thousand, seven hundred one".