77066332 has 24 divisors (see below), whose sum is σ = 154918400. Its totient is φ = 32860080.

The previous prime is 77066329. The next prime is 77066357. The reversal of 77066332 is 23366077.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344 + ... + 12487.

Almost surely, 2^77066332 is an apocalyptic number.

It is an amenable number.

77066332 is an abundant number, since it is smaller than the sum of its proper divisors (77852068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77066332 is a wasteful number, since it uses less digits than its factorization.

77066332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14041 (or 14039 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 77066332 is about 8778.7431902295. The cubic root of 77066332 is about 425.5542149171.

The spelling of 77066332 in words is "seventy-seven million, sixty-six thousand, three hundred thirty-two".