75266057 has 2 divisors, whose sum is σ = 75266058. Its totient is φ = 75266056.

The previous prime is 75266053. The next prime is 75266071. The reversal of 75266057 is 75066257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55294096 + 19971961 = 7436^2 + 4469^2 .

It is a cyclic number.

It is not a de Polignac number, because 75266057 - 2² = 75266053 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75266057.

It is not a weakly prime, because it can be changed into another prime (75266053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37633028 + 37633029.

It is an arithmetic number, because the mean of its divisors is an integer number (37633029).

Almost surely, 2^75266057 is an apocalyptic number.

It is an amenable number.

75266057 is a deficient number, since it is larger than the sum of its proper divisors (1).

75266057 is an equidigital number, since it uses as much as digits as its factorization.

75266057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 75266057 is about 8675.6012471759. The cubic root of 75266057 is about 422.2144134008.

The spelling of 75266057 in words is "seventy-five million, two hundred sixty-six thousand, fifty-seven".