75313487 has 2 divisors, whose sum is σ = 75313488. Its totient is φ = 75313486.

The previous prime is 75313457. The next prime is 75313489. The reversal of 75313487 is 78431357.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75313487 - 2¹² = 75309391 is a prime.

Together with 75313489, it forms a pair of twin primes.

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 75313487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75313489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37656743 + 37656744.

It is an arithmetic number, because the mean of its divisors is an integer number (37656744).

Almost surely, 2^75313487 is an apocalyptic number.

75313487 is a deficient number, since it is larger than the sum of its proper divisors (1).

75313487 is an equidigital number, since it uses as much as digits as its factorization.

75313487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 38.

The square root of 75313487 is about 8678.3343447922. The cubic root of 75313487 is about 422.3030829614.

The spelling of 75313487 in words is "seventy-five million, three hundred thirteen thousand, four hundred eighty-seven".