77374228 has 12 divisors (see below), whose sum is σ = 135466912. Its totient is φ = 38669400.

The previous prime is 77374217. The next prime is 77374237. The reversal of 77374228 is 82247377.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13153 + ... + 18103.

Almost surely, 2^77374228 is an apocalyptic number.

It is an amenable number.

77374228 is a deficient number, since it is larger than the sum of its proper divisors (58092684).

77374228 is a wasteful number, since it uses less digits than its factorization.

77374228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8862 (or 8860 counting only the distinct ones).

The product of its digits is 131712, while the sum is 40.

The square root of 77374228 is about 8796.2621607135. The cubic root of 77374228 is about 426.1201876785.

The spelling of 77374228 in words is "seventy-seven million, three hundred seventy-four thousand, two hundred twenty-eight".