77690132 has 24 divisors (see below), whose sum is σ = 147794976. Its totient is φ = 35519328.

The previous prime is 77690131. The next prime is 77690143. The reversal of 77690132 is 23109677.

It is a super-2 number, since 2×77690132² = 12071513220354848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77690092 and 77690101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77690131) 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, 1418 + ... + 12545.

It is an arithmetic number, because the mean of its divisors is an integer number (6158124).

Almost surely, 2^77690132 is an apocalyptic number.

It is an amenable number.

77690132 is a deficient number, since it is larger than the sum of its proper divisors (70104844).

77690132 is a wasteful number, since it uses less digits than its factorization.

77690132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14087 (or 14085 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 77690132 is about 8814.2005876880. The cubic root of 77690132 is about 426.6993223161.

The spelling of 77690132 in words is "seventy-seven million, six hundred ninety thousand, one hundred thirty-two".