1972970 has 8 divisors (see below), whose sum is σ = 3551364. Its totient is φ = 789184.

The previous prime is 1972967. The next prime is 1972981. The reversal of 1972970 is 792791.

It can be written as a sum of positive squares in 2 ways, for example, as 1723969 + 249001 = 1313^2 + 499^2 .

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

It is a super-2 number, since 2×1972970² = 7785221241800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1972970.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98639 + ... + 98658.

2^1972970 is an apocalyptic number.

1972970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1972970 is a deficient number, since it is larger than the sum of its proper divisors (1578394).

1972970 is a wasteful number, since it uses less digits than its factorization.

1972970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197304.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 1972970 is about 1404.6245049834. The cubic root of 1972970 is about 125.4219341700.

The spelling of 1972970 in words is "one million, nine hundred seventy-two thousand, nine hundred seventy".