65042928 has 60 divisors (see below), whose sum is σ = 191618440. Its totient is φ = 20539008.

The previous prime is 65042917. The next prime is 65042977. The reversal of 65042928 is 82924056.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 65042892 and 65042901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9151 + ... + 14622.

Almost surely, 2^65042928 is an apocalyptic number.

It is an amenable number.

65042928 is an abundant number, since it is smaller than the sum of its proper divisors (126575512).

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

65042928 is a wasteful number, since it uses less digits than its factorization.

65042928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23806 (or 23797 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 65042928 is about 8064.9195904237. The cubic root of 65042928 is about 402.1610700805.

The spelling of 65042928 in words is "sixty-five million, forty-two thousand, nine hundred twenty-eight".