76429881 has 12 divisors (see below), whose sum is σ = 120435120. Its totient is φ = 46321080.

The previous prime is 76429861. The next prime is 76429919. The reversal of 76429881 is 18892467.

It is not a de Polignac number, because 76429881 - 2⁹ = 76429369 is a prime.

It is a super-2 number, since 2×76429881² = 11683053419348322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76429861) 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 11 ways as a sum of consecutive naturals, for example, 385911 + ... + 386108.

It is an arithmetic number, because the mean of its divisors is an integer number (10036260).

Almost surely, 2^76429881 is an apocalyptic number.

It is an amenable number.

76429881 is a deficient number, since it is larger than the sum of its proper divisors (44005239).

76429881 is a wasteful number, since it uses less digits than its factorization.

76429881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772036 (or 772033 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 76429881 is about 8742.4184868948. The cubic root of 76429881 is about 424.3794977338.

The spelling of 76429881 in words is "seventy-six million, four hundred twenty-nine thousand, eight hundred eighty-one".