3057278742 has 224 divisors, whose sum is σ = 8476503552. Its totient is φ = 806775552.

The previous prime is 3057278737. The next prime is 3057278743. The reversal of 3057278742 is 2478727503.

3057278742 is a `hidden beast` number, since 3 + 0 + 572 + 7 + 8 + 74 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3057278743) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 11624503 + ... + 11624765.

Almost surely, 2^3057278742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3057278742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4238251776).

3057278742 is an abundant number, since it is smaller than the sum of its proper divisors (5419224810).

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

3057278742 is a wasteful number, since it uses less digits than its factorization.

3057278742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The square root of 3057278742 is about 55292.6644501782. The cubic root of 3057278742 is about 1451.3706804277.

The spelling of 3057278742 in words is "three billion, fifty-seven million, two hundred seventy-eight thousand, seven hundred forty-two".