76648197 has 4 divisors (see below), whose sum is σ = 102197600. Its totient is φ = 51098796.

The previous prime is 76648163. The next prime is 76648207. The reversal of 76648197 is 79184667.

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 not a de Polignac number, because 76648197 - 2⁸ = 76647941 is a prime.

It is a super-2 number, since 2×76648197² = 11749892206701618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76648097) 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, 12774697 + ... + 12774702.

It is an arithmetic number, because the mean of its divisors is an integer number (25549400).

Almost surely, 2^76648197 is an apocalyptic number.

It is an amenable number.

76648197 is a deficient number, since it is larger than the sum of its proper divisors (25549403).

76648197 is a wasteful number, since it uses less digits than its factorization.

76648197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25549402.

The product of its digits is 508032, while the sum is 48.

The square root of 76648197 is about 8754.8956018904. The cubic root of 76648197 is about 424.7831826025.

The spelling of 76648197 in words is "seventy-six million, six hundred forty-eight thousand, one hundred ninety-seven".