2774457 has 24 divisors (see below), whose sum is σ = 4682496. Its totient is φ = 1550016.

The previous prime is 2774419. The next prime is 2774477. The reversal of 2774457 is 7544772.

It is a happy number.

It is not a de Polignac number, because 2774457 - 2⁶ = 2774393 is a prime.

It is a super-2 number, since 2×2774457² = 15395223289698, which contains 22 as substring.

2774457 is a lucky 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 23 ways as a sum of consecutive naturals, for example, 2493 + ... + 3429.

It is an arithmetic number, because the mean of its divisors is an integer number (195104).

2^2774457 is an apocalyptic number.

It is an amenable number.

2774457 is a deficient number, since it is larger than the sum of its proper divisors (1908039).

2774457 is a wasteful number, since it uses less digits than its factorization.

2774457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 994 counting only the distinct ones).

The product of its digits is 54880, while the sum is 36.

The square root of 2774457 is about 1665.6701354110. The cubic root of 2774457 is about 140.5160714973.

The spelling of 2774457 in words is "two million, seven hundred seventy-four thousand, four hundred fifty-seven".