77306746 has 32 divisors (see below), whose sum is σ = 131383296. Its totient is φ = 33798000.

The previous prime is 77306743. The next prime is 77306759. The reversal of 77306746 is 64760377.

It is a junction number, because it is equal to n+sod(n) for n = 77306699 and 77306708.

It is not an unprimeable number, because it can be changed into a prime (77306743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179151 + ... + 179581.

It is an arithmetic number, because the mean of its divisors is an integer number (4105728).

Almost surely, 2^77306746 is an apocalyptic number.

77306746 is a deficient number, since it is larger than the sum of its proper divisors (54076550).

77306746 is a wasteful number, since it uses less digits than its factorization.

77306746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738.

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 77306746 is about 8792.4254901591. The cubic root of 77306746 is about 425.9962712833.

The spelling of 77306746 in words is "seventy-seven million, three hundred six thousand, seven hundred forty-six".