1375970 has 8 divisors (see below), whose sum is σ = 2476764. Its totient is φ = 550384.

The previous prime is 1375951. The next prime is 1375981. The reversal of 1375970 is 795731.

It can be written as a sum of positive squares in 2 ways, for example, as 1366561 + 9409 = 1169^2 + 97^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68789 + ... + 68808.

2^1375970 is an apocalyptic number.

1375970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1375970 is a deficient number, since it is larger than the sum of its proper divisors (1100794).

1375970 is a wasteful number, since it uses less digits than its factorization.

1375970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137604.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 1375970 is about 1173.0174764256. The cubic root of 1375970 is about 111.2251469964.

The spelling of 1375970 in words is "one million, three hundred seventy-five thousand, nine hundred seventy".