76317493 has 4 divisors (see below), whose sum is σ = 87220000. Its totient is φ = 65414988.

The previous prime is 76317487. The next prime is 76317499. The reversal of 76317493 is 39471367.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (76317487) and next prime (76317499).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76317493 is a prime.

It is a super-3 number, since 3×76317493³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76317499) 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 in 3 ways as a sum of consecutive naturals, for example, 5451243 + ... + 5451256.

It is an arithmetic number, because the mean of its divisors is an integer number (21805000).

Almost surely, 2^76317493 is an apocalyptic number.

It is an amenable number.

76317493 is a deficient number, since it is larger than the sum of its proper divisors (10902507).

76317493 is a wasteful number, since it uses less digits than its factorization.

76317493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10902506.

The product of its digits is 95256, while the sum is 40.

The square root of 76317493 is about 8735.9883814025. The cubic root of 76317493 is about 424.1713829685.

The spelling of 76317493 in words is "seventy-six million, three hundred seventeen thousand, four hundred ninety-three".