77328146 has 16 divisors (see below), whose sum is σ = 132782976. Its totient is φ = 33085536.

The previous prime is 77328133. The next prime is 77328161. The reversal of 77328146 is 64182377.

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, 4790 + ... + 13326.

It is an arithmetic number, because the mean of its divisors is an integer number (8298936).

Almost surely, 2^77328146 is an apocalyptic number.

77328146 is a deficient number, since it is larger than the sum of its proper divisors (55454830).

77328146 is a wasteful number, since it uses less digits than its factorization.

77328146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9193.

The product of its digits is 56448, while the sum is 38.

The square root of 77328146 is about 8793.6423625253. The cubic root of 77328146 is about 426.0355756546.

The spelling of 77328146 in words is "seventy-seven million, three hundred twenty-eight thousand, one hundred forty-six".