1427470920 has 48 divisors (see below), whose sum is σ = 4639281660. Its totient is φ = 380658816.

The previous prime is 1427470907. The next prime is 1427470927. The reversal of 1427470920 is 290747241.

It can be written as a sum of positive squares in 2 ways, for example, as 1375371396 + 52099524 = 37086^2 + 7218^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1427470927) 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, 1982239 + ... + 1982958.

Almost surely, 2^1427470920 is an apocalyptic number.

1427470920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427470920 is an abundant number, since it is smaller than the sum of its proper divisors (3211810740).

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

1427470920 is a wasteful number, since it uses less digits than its factorization.

1427470920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965214 (or 3965207 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1427470920 is about 37781.8861360838. The cubic root of 1427470920 is about 1125.9586022111.

The spelling of 1427470920 in words is "one billion, four hundred twenty-seven million, four hundred seventy thousand, nine hundred twenty".