75213713 has 2 divisors, whose sum is σ = 75213714. Its totient is φ = 75213712.

The previous prime is 75213709. The next prime is 75213737. The reversal of 75213713 is 31731257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72726784 + 2486929 = 8528^2 + 1577^2 .

It is an emirp because it is prime and its reverse (31731257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75213713 - 2² = 75213709 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75213773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37606856 + 37606857.

It is an arithmetic number, because the mean of its divisors is an integer number (37606857).

Almost surely, 2^75213713 is an apocalyptic number.

It is an amenable number.

75213713 is a deficient number, since it is larger than the sum of its proper divisors (1).

75213713 is an equidigital number, since it uses as much as digits as its factorization.

75213713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4410, while the sum is 29.

The square root of 75213713 is about 8672.5839863330. The cubic root of 75213713 is about 422.1165139519.

The spelling of 75213713 in words is "seventy-five million, two hundred thirteen thousand, seven hundred thirteen".