77420350 has 24 divisors (see below), whose sum is σ = 164574288. Its totient is φ = 26544000.

The previous prime is 77420347. The next prime is 77420377. The reversal of 77420350 is 5302477.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110251 + ... + 110950.

It is an arithmetic number, because the mean of its divisors is an integer number (6857262).

Almost surely, 2^77420350 is an apocalyptic number.

77420350 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

77420350 is an abundant number, since it is smaller than the sum of its proper divisors (87153938).

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

77420350 is a wasteful number, since it uses less digits than its factorization.

77420350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221220 (or 221215 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 77420350 is about 8798.8834518932. The cubic root of 77420350 is about 426.2048395151.

The spelling of 77420350 in words is "seventy-seven million, four hundred twenty thousand, three hundred fifty".