76315249 has 4 divisors (see below), whose sum is σ = 76820800. Its totient is φ = 75809700.

The previous prime is 76315247. The next prime is 76315259. The reversal of 76315249 is 94251367.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94251367 = 7 ⋅13464481.

It is a cyclic number.

It is not a de Polignac number, because 76315249 - 2¹ = 76315247 is a prime.

It is a super-3 number, since 3×76315249³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76315243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252549 + ... + 252850.

It is an arithmetic number, because the mean of its divisors is an integer number (19205200).

Almost surely, 2^76315249 is an apocalyptic number.

It is an amenable number.

76315249 is a deficient number, since it is larger than the sum of its proper divisors (505551).

76315249 is a wasteful number, since it uses less digits than its factorization.

76315249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505550.

The product of its digits is 45360, while the sum is 37.

The square root of 76315249 is about 8735.8599462217. The cubic root of 76315249 is about 424.1672255559.

It can be divided in two parts, 7631 and 5249, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 76315249 in words is "seventy-six million, three hundred fifteen thousand, two hundred forty-nine".