76381033 has 2 divisors, whose sum is σ = 76381034. Its totient is φ = 76381032.

The previous prime is 76381031. The next prime is 76381069. The reversal of 76381033 is 33018367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68608089 + 7772944 = 8283^2 + 2788^2 .

It is a cyclic number.

It is not a de Polignac number, because 76381033 - 2¹ = 76381031 is a prime.

Together with 76381031, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 76380986 and 76381004.

It is not a weakly prime, because it can be changed into another prime (76381031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38190516 + 38190517.

It is an arithmetic number, because the mean of its divisors is an integer number (38190517).

Almost surely, 2^76381033 is an apocalyptic number.

It is an amenable number.

76381033 is a deficient number, since it is larger than the sum of its proper divisors (1).

76381033 is an equidigital number, since it uses as much as digits as its factorization.

76381033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 76381033 is about 8739.6243054264. The cubic root of 76381033 is about 424.2890684089.

It can be divided in two parts, 763 and 81033, that added together give a square (81796 = 286²).

The spelling of 76381033 in words is "seventy-six million, three hundred eighty-one thousand, thirty-three".