77274484 has 12 divisors (see below), whose sum is σ = 154549024. Its totient is φ = 33117624.

The previous prime is 77274451. The next prime is 77274487. The reversal of 77274484 is 48447277.

It is a happy number.

77274484 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 77274484.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77274487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379874 + ... + 1379929.

Almost surely, 2^77274484 is an apocalyptic number.

It is an amenable number.

77274484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

77274484 is a wasteful number, since it uses less digits than its factorization.

77274484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759814 (or 2759812 counting only the distinct ones).

The product of its digits is 351232, while the sum is 43.

The square root of 77274484 is about 8790.5906513726. The cubic root of 77274484 is about 425.9370034760.

The spelling of 77274484 in words is "seventy-seven million, two hundred seventy-four thousand, four hundred eighty-four".