75497801 has 2 divisors, whose sum is σ = 75497802. Its totient is φ = 75497800.

The previous prime is 75497777. The next prime is 75497819. The reversal of 75497801 is 10879457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72658576 + 2839225 = 8524^2 + 1685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75497801 is a prime.

It is not a weakly prime, because it can be changed into another prime (75497101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37748900 + 37748901.

It is an arithmetic number, because the mean of its divisors is an integer number (37748901).

Almost surely, 2^75497801 is an apocalyptic number.

It is an amenable number.

75497801 is a deficient number, since it is larger than the sum of its proper divisors (1).

75497801 is an equidigital number, since it uses as much as digits as its factorization.

75497801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 75497801 is about 8688.9470593392. The cubic root of 75497801 is about 422.6473017888.

The spelling of 75497801 in words is "seventy-five million, four hundred ninety-seven thousand, eight hundred one".