65632730 has 16 divisors (see below), whose sum is σ = 119244960. Its totient is φ = 26007312.

The previous prime is 65632687. The next prime is 65632741. The reversal of 65632730 is 3723656.

It is an unprimeable number.

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, 29600 + ... + 31739.

It is an arithmetic number, because the mean of its divisors is an integer number (7452810).

Almost surely, 2^65632730 is an apocalyptic number.

65632730 is a deficient number, since it is larger than the sum of its proper divisors (53612230).

65632730 is a wasteful number, since it uses less digits than its factorization.

65632730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61453.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 65632730 is about 8101.4029649191. The cubic root of 65632730 is about 403.3729980951.

The spelling of 65632730 in words is "sixty-five million, six hundred thirty-two thousand, seven hundred thirty".