77246068 has 6 divisors (see below), whose sum is σ = 135180626. Its totient is φ = 38623032.

The previous prime is 77246063. The next prime is 77246087. The reversal of 77246068 is 86064277.

It can be written as a sum of positive squares in only one way, i.e., 75550864 + 1695204 = 8692^2 + 1302^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 77246068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77246063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9655755 + ... + 9655762.

Almost surely, 2^77246068 is an apocalyptic number.

It is an amenable number.

77246068 is a deficient number, since it is larger than the sum of its proper divisors (57934558).

77246068 is a wasteful number, since it uses less digits than its factorization.

77246068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19311521 (or 19311519 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 77246068 is about 8788.9742291123. The cubic root of 77246068 is about 425.8847874052.

The spelling of 77246068 in words is "seventy-seven million, two hundred forty-six thousand, sixty-eight".