76428593 has 2 divisors, whose sum is σ = 76428594. Its totient is φ = 76428592.

The previous prime is 76428577. The next prime is 76428623. The reversal of 76428593 is 39582467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49730704 + 26697889 = 7052^2 + 5167^2 .

It is a cyclic number.

It is not a de Polignac number, because 76428593 - 2⁴ = 76428577 is a prime.

It is a super-3 number, since 3×76428593³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (76428503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38214296 + 38214297.

It is an arithmetic number, because the mean of its divisors is an integer number (38214297).

Almost surely, 2^76428593 is an apocalyptic number.

It is an amenable number.

76428593 is a deficient number, since it is larger than the sum of its proper divisors (1).

76428593 is an equidigital number, since it uses as much as digits as its factorization.

76428593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 76428593 is about 8742.3448227578. The cubic root of 76428593 is about 424.3771138326.

The spelling of 76428593 in words is "seventy-six million, four hundred twenty-eight thousand, five hundred ninety-three".