1970737 has 4 divisors (see below), whose sum is σ = 2074480. Its totient is φ = 1866996.

The previous prime is 1970729. The next prime is 1970743. The reversal of 1970737 is 7370791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1970737 - 2³ = 1970729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1970237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51843 + ... + 51880.

It is an arithmetic number, because the mean of its divisors is an integer number (518620).

2^1970737 is an apocalyptic number.

It is an amenable number.

1970737 is a deficient number, since it is larger than the sum of its proper divisors (103743).

1970737 is a wasteful number, since it uses less digits than its factorization.

1970737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103742.

The product of its (nonzero) digits is 9261, while the sum is 34.

The square root of 1970737 is about 1403.8294055903. The cubic root of 1970737 is about 125.3745989503.

It can be divided in two parts, 19 and 70737, that added together give a square (70756 = 266²).

The spelling of 1970737 in words is "one million, nine hundred seventy thousand, seven hundred thirty-seven".