2774478 has 24 divisors (see below), whose sum is σ = 6455592. Its totient is φ = 792624.

The previous prime is 2774477. The next prime is 2774479. The reversal of 2774478 is 8744772.

It is an interprime number because it is at equal distance from previous prime (2774477) and next prime (2774479).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2774477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4425 + ... + 5012.

It is an arithmetic number, because the mean of its divisors is an integer number (268983).

2^2774478 is an apocalyptic number.

2774478 is an abundant number, since it is smaller than the sum of its proper divisors (3681114).

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

2774478 is a wasteful number, since it uses less digits than its factorization.

2774478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9456 (or 9449 counting only the distinct ones).

The product of its digits is 87808, while the sum is 39.

The square root of 2774478 is about 1665.6764391682. The cubic root of 2774478 is about 140.5164260208.

The spelling of 2774478 in words is "two million, seven hundred seventy-four thousand, four hundred seventy-eight".