77322294 has 72 divisors (see below), whose sum is σ = 201670560. Its totient is φ = 21323232.

The previous prime is 77322293. The next prime is 77322313. The reversal of 77322294 is 49222377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77322293) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24067 + ... + 27089.

It is an arithmetic number, because the mean of its divisors is an integer number (2800980).

Almost surely, 2^77322294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77322294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100835280).

77322294 is an abundant number, since it is smaller than the sum of its proper divisors (124348266).

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

77322294 is a wasteful number, since it uses less digits than its factorization.

77322294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074 (or 3064 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 77322294 is about 8793.3096158386. The cubic root of 77322294 is about 426.0248282825.

The spelling of 77322294 in words is "seventy-seven million, three hundred twenty-two thousand, two hundred ninety-four".