7572343969 has 2 divisors, whose sum is σ = 7572343970. Its totient is φ = 7572343968.

The previous prime is 7572343957. The next prime is 7572343973. The reversal of 7572343969 is 9693432757.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3886275600 + 3686068369 = 62340^2 + 60713^2 .

It is an emirp because it is prime and its reverse (9693432757) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7572343969 is a prime.

It is a super-2 number, since 2×7572343969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7572343369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3786171984 + 3786171985.

It is an arithmetic number, because the mean of its divisors is an integer number (3786171985).

Almost surely, 2^7572343969 is an apocalyptic number.

It is an amenable number.

7572343969 is a deficient number, since it is larger than the sum of its proper divisors (1).

7572343969 is an equidigital number, since it uses as much as digits as its factorization.

7572343969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8573040, while the sum is 55.

The square root of 7572343969 is about 87019.2160904705. The cubic root of 7572343969 is about 1963.7074047553.

It can be divided in two parts, 7572 and 343969, that added together give a triangular number (351541 = T₈₃₈).

The spelling of 7572343969 in words is "seven billion, five hundred seventy-two million, three hundred forty-three thousand, nine hundred sixty-nine".