1379470727 has 8 divisors (see below), whose sum is σ = 1409750976. Its totient is φ = 1349229312.

The previous prime is 1379470723. The next prime is 1379470759. The reversal of 1379470727 is 7270749731.

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

It is a cyclic number.

It is not a de Polignac number, because 1379470727 - 2² = 1379470723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379470723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69023 + ... + 86735.

It is an arithmetic number, because the mean of its divisors is an integer number (176218872).

Almost surely, 2^1379470727 is an apocalyptic number.

1379470727 is a deficient number, since it is larger than the sum of its proper divisors (30280249).

1379470727 is a wasteful number, since it uses less digits than its factorization.

1379470727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19417.

The product of its (nonzero) digits is 518616, while the sum is 47.

The square root of 1379470727 is about 37141.2267837238. The cubic root of 1379470727 is about 1113.1939302691.

The spelling of 1379470727 in words is "one billion, three hundred seventy-nine million, four hundred seventy thousand, seven hundred twenty-seven".