65672225770 has 16 divisors (see below), whose sum is σ = 118244501640. Its totient is φ = 26261224704.

The previous prime is 65672225767. The next prime is 65672225779. The reversal of 65672225770 is 7752227656.

It can be written as a sum of positive squares in 4 ways, for example, as 52708353889 + 12963871881 = 229583^2 + 113859^2 .

It is not an unprimeable number, because it can be changed into a prime (65672225779) 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, 922155 + ... + 990814.

Almost surely, 2^65672225770 is an apocalyptic number.

65672225770 is a deficient number, since it is larger than the sum of its proper divisors (52572275870).

65672225770 is a wasteful number, since it uses less digits than its factorization.

65672225770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916409.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 65672225770 in words is "sixty-five billion, six hundred seventy-two million, two hundred twenty-five thousand, seven hundred seventy".