76609453 has 2 divisors, whose sum is σ = 76609454. Its totient is φ = 76609452.

The previous prime is 76609447. The next prime is 76609457. The reversal of 76609453 is 35490667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59938564 + 16670889 = 7742^2 + 4083^2 .

It is an emirp because it is prime and its reverse (35490667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76609453 - 2²¹ = 74512301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76609457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38304726 + 38304727.

It is an arithmetic number, because the mean of its divisors is an integer number (38304727).

Almost surely, 2^76609453 is an apocalyptic number.

It is an amenable number.

76609453 is a deficient number, since it is larger than the sum of its proper divisors (1).

76609453 is an equidigital number, since it uses as much as digits as its factorization.

76609453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 76609453 is about 8752.6826173465. The cubic root of 76609453 is about 424.7115976465.

The spelling of 76609453 in words is "seventy-six million, six hundred nine thousand, four hundred fifty-three".