1970745 has 24 divisors (see below), whose sum is σ = 3630144. Its totient is φ = 894336.

The previous prime is 1970743. The next prime is 1970783. The reversal of 1970745 is 5470791.

It is not a de Polignac number, because 1970745 - 2¹ = 1970743 is a prime.

It is a super-3 number, since 3×1970745³ = 22962150276333730875, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1970743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14317 + ... + 14453.

It is an arithmetic number, because the mean of its divisors is an integer number (151256).

2^1970745 is an apocalyptic number.

1970745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1970745 is a deficient number, since it is larger than the sum of its proper divisors (1659399).

1970745 is an equidigital number, since it uses as much as digits as its factorization.

1970745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 1970745 is about 1403.8322549365. The cubic root of 1970745 is about 125.3747685984.

The spelling of 1970745 in words is "one million, nine hundred seventy thousand, seven hundred forty-five".