3670040729 has 2 divisors, whose sum is σ = 3670040730. Its totient is φ = 3670040728.

The previous prime is 3670040723. The next prime is 3670040753. The reversal of 3670040729 is 9270400763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3669936400 + 104329 = 60580^2 + 323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3670040729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3670040692 and 3670040701.

It is not a weakly prime, because it can be changed into another prime (3670040723) 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 as a sum of consecutive naturals, namely, 1835020364 + 1835020365.

It is an arithmetic number, because the mean of its divisors is an integer number (1835020365).

Almost surely, 2^3670040729 is an apocalyptic number.

It is an amenable number.

3670040729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3670040729 is an equidigital number, since it uses as much as digits as its factorization.

3670040729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 3670040729 is about 60580.8610783967. The cubic root of 3670040729 is about 1542.4945135598.

The spelling of 3670040729 in words is "three billion, six hundred seventy million, forty thousand, seven hundred twenty-nine".