76914981 has 48 divisors (see below), whose sum is σ = 134957760. Its totient is φ = 43005600.

The previous prime is 76914977. The next prime is 76914991. The reversal of 76914981 is 18941967.

It is a happy number.

76914981 is a `hidden beast` number, since 76 + 91 + 498 + 1 = 666.

It is not a de Polignac number, because 76914981 - 2² = 76914977 is a prime.

It is a super-2 number, since 2×76914981² = 11831828604460722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76914991) 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 47 ways as a sum of consecutive naturals, for example, 41566 + ... + 43376.

It is an arithmetic number, because the mean of its divisors is an integer number (2811620).

Almost surely, 2^76914981 is an apocalyptic number.

It is an amenable number.

76914981 is a deficient number, since it is larger than the sum of its proper divisors (58042779).

76914981 is a wasteful number, since it uses less digits than its factorization.

76914981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855 (or 1838 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 76914981 is about 8770.1186422990. The cubic root of 76914981 is about 425.2754495810.

The spelling of 76914981 in words is "seventy-six million, nine hundred fourteen thousand, nine hundred eighty-one".