747661829 has 2 divisors, whose sum is σ = 747661830. Its totient is φ = 747661828.

The previous prime is 747661823. The next prime is 747661861. The reversal of 747661829 is 928166747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404412100 + 343249729 = 20110^2 + 18527^2 .

It is a cyclic number.

It is not a de Polignac number, because 747661829 - 2¹⁶ = 747596293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747661823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373830914 + 373830915.

It is an arithmetic number, because the mean of its divisors is an integer number (373830915).

Almost surely, 2^747661829 is an apocalyptic number.

It is an amenable number.

747661829 is a deficient number, since it is larger than the sum of its proper divisors (1).

747661829 is an equidigital number, since it uses as much as digits as its factorization.

747661829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The square root of 747661829 is about 27343.4055852595. The cubic root of 747661829 is about 907.6151494003.

The spelling of 747661829 in words is "seven hundred forty-seven million, six hundred sixty-one thousand, eight hundred twenty-nine".