1972350826 has 16 divisors (see below), whose sum is σ = 3007651968. Its totient is φ = 969930000.

The previous prime is 1972350781. The next prime is 1972350827. The reversal of 1972350826 is 6280532791.

It is not an unprimeable number, because it can be changed into a prime (1972350827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1830 + ... + 62833.

It is an arithmetic number, because the mean of its divisors is an integer number (187978248).

Almost surely, 2^1972350826 is an apocalyptic number.

1972350826 is a deficient number, since it is larger than the sum of its proper divisors (1035301142).

1972350826 is a wasteful number, since it uses less digits than its factorization.

1972350826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64917.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1972350826 is about 44411.1565487772. The cubic root of 1972350826 is about 1254.0881247597.

The spelling of 1972350826 in words is "one billion, nine hundred seventy-two million, three hundred fifty thousand, eight hundred twenty-six".