65057630 has 32 divisors (see below), whose sum is σ = 128400768. Its totient is φ = 23536800.

The previous prime is 65057627. The next prime is 65057633. The reversal of 65057630 is 3675056.

It is an interprime number because it is at equal distance from previous prime (65057627) and next prime (65057633).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65057633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21809 + ... + 24611.

It is an arithmetic number, because the mean of its divisors is an integer number (4012524).

Almost surely, 2^65057630 is an apocalyptic number.

65057630 is a deficient number, since it is larger than the sum of its proper divisors (63343138).

65057630 is a wasteful number, since it uses less digits than its factorization.

65057630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 65057630 is about 8065.8310173224. The cubic root of 65057630 is about 402.1913686685.

The spelling of 65057630 in words is "sixty-five million, fifty-seven thousand, six hundred thirty".