75676397 has 2 divisors, whose sum is σ = 75676398. Its totient is φ = 75676396.

The previous prime is 75676387. The next prime is 75676423. The reversal of 75676397 is 79367657.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60668521 + 15007876 = 7789^2 + 3874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75676397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75676387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37838198 + 37838199.

It is an arithmetic number, because the mean of its divisors is an integer number (37838199).

Almost surely, 2^75676397 is an apocalyptic number.

It is an amenable number.

75676397 is a deficient number, since it is larger than the sum of its proper divisors (1).

75676397 is an equidigital number, since it uses as much as digits as its factorization.

75676397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1666980, while the sum is 50.

The square root of 75676397 is about 8699.2181832622. The cubic root of 75676397 is about 422.9803078463.

The spelling of 75676397 in words is "seventy-five million, six hundred seventy-six thousand, three hundred ninety-seven".