77022946 has 64 divisors (see below), whose sum is σ = 157409280. Its totient is φ = 27293760.

The previous prime is 77022919. The next prime is 77022949. The reversal of 77022946 is 64922077.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (77022949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157915 + ... + 158401.

It is an arithmetic number, because the mean of its divisors is an integer number (2459520).

Almost surely, 2^77022946 is an apocalyptic number.

77022946 is an abundant number, since it is smaller than the sum of its proper divisors (80386334).

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

77022946 is a wasteful number, since it uses less digits than its factorization.

77022946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 77022946 is about 8776.2717596939. The cubic root of 77022946 is about 425.4743419017.

It can be divided in two parts, 7702 and 2946, that added together give a cube (10648 = 22³).

The spelling of 77022946 in words is "seventy-seven million, twenty-two thousand, nine hundred forty-six".