1427020670 has 8 divisors (see below), whose sum is σ = 2568637224. Its totient is φ = 570808264.

The previous prime is 1427020649. The next prime is 1427020709. The reversal of 1427020670 is 760207241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71351024 + ... + 71351043.

It is an arithmetic number, because the mean of its divisors is an integer number (321079653).

Almost surely, 2^1427020670 is an apocalyptic number.

1427020670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1427020670 is a deficient number, since it is larger than the sum of its proper divisors (1141616554).

1427020670 is a wasteful number, since it uses less digits than its factorization.

1427020670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142702074.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 1427020670 is about 37775.9271229708. The cubic root of 1427020670 is about 1125.8402072314.

The spelling of 1427020670 in words is "one billion, four hundred twenty-seven million, twenty thousand, six hundred seventy".