65572270 has 16 divisors (see below), whose sum is σ = 118169568. Its totient is φ = 26197920.

The previous prime is 65572261. The next prime is 65572303. The reversal of 65572270 is 7227556.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6280 + ... + 13060.

It is an arithmetic number, because the mean of its divisors is an integer number (7385598).

Almost surely, 2^65572270 is an apocalyptic number.

65572270 is a deficient number, since it is larger than the sum of its proper divisors (52597298).

65572270 is a wasteful number, since it uses less digits than its factorization.

65572270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 65572270 is about 8097.6706527248. The cubic root of 65572270 is about 403.2490994248.

The spelling of 65572270 in words is "sixty-five million, five hundred seventy-two thousand, two hundred seventy".