1970761 has 4 divisors (see below), whose sum is σ = 2122372. Its totient is φ = 1819152.

The previous prime is 1970743. The next prime is 1970783. The reversal of 1970761 is 1670791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1670791 = 41 ⋅40751.

It can be written as a sum of positive squares in 2 ways, for example, as 1115136 + 855625 = 1056^2 + 925^2 .

It is a cyclic number.

It is not a de Polignac number, because 1970761 - 2⁵ = 1970729 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (1970711) 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, 75786 + ... + 75811.

It is an arithmetic number, because the mean of its divisors is an integer number (530593).

2^1970761 is an apocalyptic number.

It is an amenable number.

1970761 is a deficient number, since it is larger than the sum of its proper divisors (151611).

1970761 is a wasteful number, since it uses less digits than its factorization.

1970761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151610.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 1970761 is about 1403.8379536115. The cubic root of 1970761 is about 125.3751078932.

The spelling of 1970761 in words is "one million, nine hundred seventy thousand, seven hundred sixty-one".