1427712764 has 24 divisors (see below), whose sum is σ = 2620262400. Its totient is φ = 679379184.

The previous prime is 1427712733. The next prime is 1427712773. The reversal of 1427712764 is 4672177241.

It is a super-3 number, since 3×1427712764³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20684 + ... + 57299.

It is an arithmetic number, because the mean of its divisors is an integer number (109177600).

Almost surely, 2^1427712764 is an apocalyptic number.

It is an amenable number.

1427712764 is a deficient number, since it is larger than the sum of its proper divisors (1192549636).

1427712764 is a wasteful number, since it uses less digits than its factorization.

1427712764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78209 (or 78207 counting only the distinct ones).

The product of its digits is 131712, while the sum is 41.

The square root of 1427712764 is about 37785.0865289468. The cubic root of 1427712764 is about 1126.0221857493.

The spelling of 1427712764 in words is "one billion, four hundred twenty-seven million, seven hundred twelve thousand, seven hundred sixty-four".