75296761 has 2 divisors, whose sum is σ = 75296762. Its totient is φ = 75296760.

The previous prime is 75296747. The next prime is 75296783. The reversal of 75296761 is 16769257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59969536 + 15327225 = 7744^2 + 3915^2 .

It is a cyclic number.

It is not a de Polignac number, because 75296761 - 2¹³ = 75288569 is a prime.

It is a super-2 number, since 2×75296761² = 11339204434182242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75296261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37648380 + 37648381.

It is an arithmetic number, because the mean of its divisors is an integer number (37648381).

Almost surely, 2^75296761 is an apocalyptic number.

It is an amenable number.

75296761 is a deficient number, since it is larger than the sum of its proper divisors (1).

75296761 is an equidigital number, since it uses as much as digits as its factorization.

75296761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 43.

The square root of 75296761 is about 8677.3706270967. The cubic root of 75296761 is about 422.2718182455.

The spelling of 75296761 in words is "seventy-five million, two hundred ninety-six thousand, seven hundred sixty-one".