75213029 has 2 divisors, whose sum is σ = 75213030. Its totient is φ = 75213028.

The previous prime is 75213007. The next prime is 75213041. The reversal of 75213029 is 92031257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68973025 + 6240004 = 8305^2 + 2498^2 .

It is a cyclic number.

It is not a de Polignac number, because 75213029 - 2¹² = 75208933 is a prime.

It is a Chen prime.

It is equal to p_4406078 and since 75213029 and 4406078 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 75212992 and 75213010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75213629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37606514 + 37606515.

It is an arithmetic number, because the mean of its divisors is an integer number (37606515).

Almost surely, 2^75213029 is an apocalyptic number.

It is an amenable number.

75213029 is a deficient number, since it is larger than the sum of its proper divisors (1).

75213029 is an equidigital number, since it uses as much as digits as its factorization.

75213029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 75213029 is about 8672.5445516296. The cubic root of 75213029 is about 422.1152343600.

The spelling of 75213029 in words is "seventy-five million, two hundred thirteen thousand, twenty-nine".