1972495273 has 8 divisors (see below), whose sum is σ = 2257857920. Its totient is φ = 1688027040.

The previous prime is 1972495247. The next prime is 1972495277. The reversal of 1972495273 is 3725942791.

It is a happy number.

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

It is not a de Polignac number, because 1972495273 - 2²¹ = 1970398121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1972495277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218868 + ... + 227701.

It is an arithmetic number, because the mean of its divisors is an integer number (282232240).

Almost surely, 2^1972495273 is an apocalyptic number.

It is an amenable number.

1972495273 is a deficient number, since it is larger than the sum of its proper divisors (285362647).

1972495273 is an equidigital number, since it uses as much as digits as its factorization.

1972495273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447207.

The product of its digits is 952560, while the sum is 49.

The square root of 1972495273 is about 44412.7827657759. The cubic root of 1972495273 is about 1254.1187387936.

The spelling of 1972495273 in words is "one billion, nine hundred seventy-two million, four hundred ninety-five thousand, two hundred seventy-three".