65075420 has 24 divisors (see below), whose sum is σ = 141372000. Its totient is φ = 25132352.

The previous prime is 65075389. The next prime is 65075443. The reversal of 65075420 is 2457056.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 55520 + ... + 56679.

It is an arithmetic number, because the mean of its divisors is an integer number (5890500).

Almost surely, 2^65075420 is an apocalyptic number.

It is an amenable number.

65075420 is an abundant number, since it is smaller than the sum of its proper divisors (76296580).

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

65075420 is a wasteful number, since it uses less digits than its factorization.

65075420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112237 (or 112235 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 65075420 is about 8066.9337421352. The cubic root of 65075420 is about 402.2280250523.

The spelling of 65075420 in words is "sixty-five million, seventy-five thousand, four hundred twenty".