1972570 has 8 divisors (see below), whose sum is σ = 3550644. Its totient is φ = 789024.

The previous prime is 1972567. The next prime is 1972571. The reversal of 1972570 is 752791.

It can be written as a sum of positive squares in 2 ways, for example, as 1803649 + 168921 = 1343^2 + 411^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1972571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98619 + ... + 98638.

2^1972570 is an apocalyptic number.

1972570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1972570 is a deficient number, since it is larger than the sum of its proper divisors (1578074).

1972570 is a wasteful number, since it uses less digits than its factorization.

1972570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197264.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 1972570 is about 1404.4821109576. The cubic root of 1972570 is about 125.4134575815.

The spelling of 1972570 in words is "one million, nine hundred seventy-two thousand, five hundred seventy".