76373993 has 2 divisors, whose sum is σ = 76373994. Its totient is φ = 76373992.

The previous prime is 76373989. The next prime is 76374041. The reversal of 76373993 is 39937367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49042009 + 27331984 = 7003^2 + 5228^2 .

It is a cyclic number.

It is not a de Polignac number, because 76373993 - 2² = 76373989 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76373953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38186996 + 38186997.

It is an arithmetic number, because the mean of its divisors is an integer number (38186997).

Almost surely, 2^76373993 is an apocalyptic number.

It is an amenable number.

76373993 is a deficient number, since it is larger than the sum of its proper divisors (1).

76373993 is an equidigital number, since it uses as much as digits as its factorization.

76373993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 642978, while the sum is 47.

The square root of 76373993 is about 8739.2215328369. The cubic root of 76373993 is about 424.2760325076.

The spelling of 76373993 in words is "seventy-six million, three hundred seventy-three thousand, nine hundred ninety-three".