65028750 has 40 divisors (see below), whose sum is σ = 162529224. Its totient is φ = 17340000.

The previous prime is 65028727. The next prime is 65028763. The reversal of 65028750 is 5782056.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4921 + ... + 12420.

Almost surely, 2^65028750 is an apocalyptic number.

65028750 is an abundant number, since it is smaller than the sum of its proper divisors (97500474).

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

65028750 is a wasteful number, since it uses less digits than its factorization.

65028750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17366 (or 17351 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 65028750 is about 8064.0405504933. The cubic root of 65028750 is about 402.1318470521.

The spelling of 65028750 in words is "sixty-five million, twenty-eight thousand, seven hundred fifty".