76621343 has 2 divisors, whose sum is σ = 76621344. Its totient is φ = 76621342.

The previous prime is 76621291. The next prime is 76621373. The reversal of 76621343 is 34312667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76621343 - 2¹⁰ = 76620319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76621373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38310671 + 38310672.

It is an arithmetic number, because the mean of its divisors is an integer number (38310672).

Almost surely, 2^76621343 is an apocalyptic number.

76621343 is a deficient number, since it is larger than the sum of its proper divisors (1).

76621343 is an equidigital number, since it uses as much as digits as its factorization.

76621343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 76621343 is about 8753.3618113271. The cubic root of 76621343 is about 424.7335686499.

The spelling of 76621343 in words is "seventy-six million, six hundred twenty-one thousand, three hundred forty-three".