75324961 has 2 divisors, whose sum is σ = 75324962. Its totient is φ = 75324960.

The previous prime is 75324881. The next prime is 75324967. The reversal of 75324961 is 16942357.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53934336 + 21390625 = 7344^2 + 4625^2 .

It is a cyclic number.

It is not a de Polignac number, because 75324961 - 2⁹ = 75324449 is a prime.

It is a super-3 number, since 3×75324961³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75324961.

It is not a weakly prime, because it can be changed into another prime (75324967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37662480 + 37662481.

It is an arithmetic number, because the mean of its divisors is an integer number (37662481).

Almost surely, 2^75324961 is an apocalyptic number.

It is an amenable number.

75324961 is a deficient number, since it is larger than the sum of its proper divisors (1).

75324961 is an equidigital number, since it uses as much as digits as its factorization.

75324961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 75324961 is about 8678.9953911729. The cubic root of 75324961 is about 422.3245278124.

The spelling of 75324961 in words is "seventy-five million, three hundred twenty-four thousand, nine hundred sixty-one".