77332506 has 16 divisors (see below), whose sum is σ = 157201248. Its totient is φ = 25354800.

The previous prime is 77332483. The next prime is 77332517. The reversal of 77332506 is 60523377.

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, 105280 + ... + 106011.

It is an arithmetic number, because the mean of its divisors is an integer number (9825078).

Almost surely, 2^77332506 is an apocalyptic number.

77332506 is an abundant number, since it is smaller than the sum of its proper divisors (79868742).

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

77332506 is a wasteful number, since it uses less digits than its factorization.

77332506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211357.

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 77332506 is about 8793.8902654059. The cubic root of 77332506 is about 426.0435825719.

The spelling of 77332506 in words is "seventy-seven million, three hundred thirty-two thousand, five hundred six".