77326746 has 16 divisors (see below), whose sum is σ = 176746944. Its totient is φ = 22093344.

The previous prime is 77326723. The next prime is 77326763. The reversal of 77326746 is 64762377.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1841113 = 77326746 / (7 + 7 + 3 + 2 + 6 + 7 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 77326698 and 77326707.

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, 920515 + ... + 920598.

It is an arithmetic number, because the mean of its divisors is an integer number (11046684).

Almost surely, 2^77326746 is an apocalyptic number.

77326746 is an abundant number, since it is smaller than the sum of its proper divisors (99420198).

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

77326746 is a wasteful number, since it uses less digits than its factorization.

77326746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841125.

The product of its digits is 296352, while the sum is 42.

The square root of 77326746 is about 8793.5627592006. The cubic root of 77326746 is about 426.0330045623.

The spelling of 77326746 in words is "seventy-seven million, three hundred twenty-six thousand, seven hundred forty-six".