75974897 has 2 divisors, whose sum is σ = 75974898. Its totient is φ = 75974896.

The previous prime is 75974881. The next prime is 75974903. The reversal of 75974897 is 79847957.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75968656 + 6241 = 8716^2 + 79^2 .

It is a cyclic number.

It is not a de Polignac number, because 75974897 - 2⁴ = 75974881 is a prime.

It is not a weakly prime, because it can be changed into another prime (75974827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37987448 + 37987449.

It is an arithmetic number, because the mean of its divisors is an integer number (37987449).

Almost surely, 2^75974897 is an apocalyptic number.

It is an amenable number.

75974897 is a deficient number, since it is larger than the sum of its proper divisors (1).

75974897 is an equidigital number, since it uses as much as digits as its factorization.

75974897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4445280, while the sum is 56.

The square root of 75974897 is about 8716.3580123811. The cubic root of 75974897 is about 423.5357165006.

The spelling of 75974897 in words is "seventy-five million, nine hundred seventy-four thousand, eight hundred ninety-seven".