752705081 has 2 divisors, whose sum is σ = 752705082. Its totient is φ = 752705080.

The previous prime is 752705053. The next prime is 752705087. The reversal of 752705081 is 180507257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 585882025 + 166823056 = 24205^2 + 12916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-752705081 is a prime.

It is a super-2 number, since 2×752705081² = 1133129877926433122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (752705087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 376352540 + 376352541.

It is an arithmetic number, because the mean of its divisors is an integer number (376352541).

Almost surely, 2^752705081 is an apocalyptic number.

It is an amenable number.

752705081 is a deficient number, since it is larger than the sum of its proper divisors (1).

752705081 is an equidigital number, since it uses as much as digits as its factorization.

752705081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 752705081 is about 27435.4712188437. The cubic root of 752705081 is about 909.6513098723.

The spelling of 752705081 in words is "seven hundred fifty-two million, seven hundred five thousand, eighty-one".