76234381 has 2 divisors, whose sum is σ = 76234382. Its totient is φ = 76234380.

The previous prime is 76234357. The next prime is 76234391. The reversal of 76234381 is 18343267.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62948356 + 13286025 = 7934^2 + 3645^2 .

It is an emirp because it is prime and its reverse (18343267) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76234381 - 2⁵ = 76234349 is a prime.

It is a super-2 number, since 2×76234381² = 11623361692906322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76234321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38117190 + 38117191.

It is an arithmetic number, because the mean of its divisors is an integer number (38117191).

Almost surely, 2^76234381 is an apocalyptic number.

It is an amenable number.

76234381 is a deficient number, since it is larger than the sum of its proper divisors (1).

76234381 is an equidigital number, since it uses as much as digits as its factorization.

76234381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 76234381 is about 8731.2302111444. The cubic root of 76234381 is about 424.0173486582.

The spelling of 76234381 in words is "seventy-six million, two hundred thirty-four thousand, three hundred eighty-one".