747165073 has 2 divisors, whose sum is σ = 747165074. Its totient is φ = 747165072.

The previous prime is 747165071. The next prime is 747165109. The reversal of 747165073 is 370561747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 639482944 + 107682129 = 25288^2 + 10377^2 .

It is an emirp because it is prime and its reverse (370561747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 747165073 - 2¹ = 747165071 is a prime.

It is a super-2 number, since 2×747165073² = 1116511292622190658, which contains 22 as substring.

Together with 747165071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (747165071) 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, 373582536 + 373582537.

It is an arithmetic number, because the mean of its divisors is an integer number (373582537).

Almost surely, 2^747165073 is an apocalyptic number.

It is an amenable number.

747165073 is a deficient number, since it is larger than the sum of its proper divisors (1).

747165073 is an equidigital number, since it uses as much as digits as its factorization.

747165073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 747165073 is about 27334.3204232335. The cubic root of 747165073 is about 907.4140945278.

The spelling of 747165073 in words is "seven hundred forty-seven million, one hundred sixty-five thousand, seventy-three".