76439093 has 2 divisors, whose sum is σ = 76439094. Its totient is φ = 76439092.

The previous prime is 76439059. The next prime is 76439101. The reversal of 76439093 is 39093467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62615569 + 13823524 = 7913^2 + 3718^2 .

It is a cyclic number.

It is not a de Polignac number, because 76439093 - 2⁸ = 76438837 is a prime.

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 76439093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76439023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38219546 + 38219547.

It is an arithmetic number, because the mean of its divisors is an integer number (38219547).

Almost surely, 2^76439093 is an apocalyptic number.

It is an amenable number.

76439093 is a deficient number, since it is larger than the sum of its proper divisors (1).

76439093 is an equidigital number, since it uses as much as digits as its factorization.

76439093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 76439093 is about 8742.9453275198. The cubic root of 76439093 is about 424.3965470293.

The spelling of 76439093 in words is "seventy-six million, four hundred thirty-nine thousand, ninety-three".