747542429 has 2 divisors, whose sum is σ = 747542430. Its totient is φ = 747542428.

The previous prime is 747542399. The next prime is 747542437. The reversal of 747542429 is 924245747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 711662329 + 35880100 = 26677^2 + 5990^2 .

It is a cyclic number.

It is not a de Polignac number, because 747542429 - 2¹² = 747538333 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 747542429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747542329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373771214 + 373771215.

It is an arithmetic number, because the mean of its divisors is an integer number (373771215).

Almost surely, 2^747542429 is an apocalyptic number.

It is an amenable number.

747542429 is a deficient number, since it is larger than the sum of its proper divisors (1).

747542429 is an equidigital number, since it uses as much as digits as its factorization.

747542429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 44.

The square root of 747542429 is about 27341.2221562973. Note that the first 3 decimals coincide. The cubic root of 747542429 is about 907.5668320934.

The spelling of 747542429 in words is "seven hundred forty-seven million, five hundred forty-two thousand, four hundred twenty-nine".