76849573 has 2 divisors, whose sum is σ = 76849574. Its totient is φ = 76849572.

The previous prime is 76849567. The next prime is 76849583. The reversal of 76849573 is 37594867.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70930084 + 5919489 = 8422^2 + 2433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76849573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76849543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38424786 + 38424787.

It is an arithmetic number, because the mean of its divisors is an integer number (38424787).

Almost surely, 2^76849573 is an apocalyptic number.

It is an amenable number.

76849573 is a deficient number, since it is larger than the sum of its proper divisors (1).

76849573 is an equidigital number, since it uses as much as digits as its factorization.

76849573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 49.

The square root of 76849573 is about 8766.3888232270. The cubic root of 76849573 is about 425.1548649002.

The spelling of 76849573 in words is "seventy-six million, eight hundred forty-nine thousand, five hundred seventy-three".