75973481 has 2 divisors, whose sum is σ = 75973482. Its totient is φ = 75973480.

The previous prime is 75973453. The next prime is 75973523. The reversal of 75973481 is 18437957.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72675625 + 3297856 = 8525^2 + 1816^2 .

It is an emirp because it is prime and its reverse (18437957) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75973481 is a prime.

It is a super-2 number, since 2×75973481² = 11543939630514722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75973411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37986740 + 37986741.

It is an arithmetic number, because the mean of its divisors is an integer number (37986741).

Almost surely, 2^75973481 is an apocalyptic number.

It is an amenable number.

75973481 is a deficient number, since it is larger than the sum of its proper divisors (1).

75973481 is an equidigital number, since it uses as much as digits as its factorization.

75973481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 44.

The square root of 75973481 is about 8716.2767854170. The cubic root of 75973481 is about 423.5330852354.

The spelling of 75973481 in words is "seventy-five million, nine hundred seventy-three thousand, four hundred eighty-one".