672635061731 has 2 divisors, whose sum is σ = 672635061732. Its totient is φ = 672635061730.

The previous prime is 672635061701. The next prime is 672635061743. The reversal of 672635061731 is 137160536276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 672635061731 - 2¹⁰ = 672635060707 is a prime.

It is a super-2 number, since 2×672635061731² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (672635061701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336317530865 + 336317530866.

It is an arithmetic number, because the mean of its divisors is an integer number (336317530866).

Almost surely, 2^672635061731 is an apocalyptic number.

672635061731 is a deficient number, since it is larger than the sum of its proper divisors (1).

672635061731 is an equidigital number, since it uses as much as digits as its factorization.

672635061731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 672635061731 in words is "six hundred seventy-two billion, six hundred thirty-five million, sixty-one thousand, seven hundred thirty-one".