77140029 has 8 divisors (see below), whose sum is σ = 106400160. Its totient is φ = 49653296.

The previous prime is 77140027. The next prime is 77140061. The reversal of 77140029 is 92004177.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77140029 - 2¹ = 77140027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77139978 and 77140005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77140027) 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 7 ways as a sum of consecutive naturals, for example, 443247 + ... + 443420.

It is an arithmetic number, because the mean of its divisors is an integer number (13300020).

Almost surely, 2^77140029 is an apocalyptic number.

It is an amenable number.

77140029 is a deficient number, since it is larger than the sum of its proper divisors (29260131).

77140029 is a wasteful number, since it uses less digits than its factorization.

77140029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886699.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 77140029 is about 8782.9396559466. The cubic root of 77140029 is about 425.6898213767.

The spelling of 77140029 in words is "seventy-seven million, one hundred forty thousand, twenty-nine".