77422350 has 48 divisors (see below), whose sum is σ = 196706160. Its totient is φ = 20140800.

The previous prime is 77422349. The next prime is 77422351. The reversal of 77422350 is 5322477.

It is an interprime number because it is at equal distance from previous prime (77422349) and next prime (77422351).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77422351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145 + ... + 12444.

It is an arithmetic number, because the mean of its divisors is an integer number (4098045).

Almost surely, 2^77422350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77422350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98353080).

77422350 is an abundant number, since it is smaller than the sum of its proper divisors (119283810).

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

77422350 is a wasteful number, since it uses less digits than its factorization.

77422350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12645 (or 12640 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 77422350 is about 8798.9971019429. The cubic root of 77422350 is about 426.2085095335.

The spelling of 77422350 in words is "seventy-seven million, four hundred twenty-two thousand, three hundred fifty".