65890746 has 40 divisors (see below), whose sum is σ = 155422080. Its totient is φ = 20806632.

The previous prime is 65890739. The next prime is 65890751. The reversal of 65890746 is 64709856.

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 19 ways as a sum of consecutive naturals, for example, 7626 + ... + 13781.

It is an arithmetic number, because the mean of its divisors is an integer number (3885552).

Almost surely, 2^65890746 is an apocalyptic number.

65890746 is an abundant number, since it is smaller than the sum of its proper divisors (89531334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65890746 is a wasteful number, since it uses less digits than its factorization.

65890746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21440 (or 21431 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 65890746 is about 8117.3115007372. The cubic root of 65890746 is about 403.9008881795.

The spelling of 65890746 in words is "sixty-five million, eight hundred ninety thousand, seven hundred forty-six".