65029530 has 32 divisors (see below), whose sum is σ = 158405184. Its totient is φ = 17081856.

The previous prime is 65029511. The next prime is 65029553. The reversal of 65029530 is 3592056.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14167 + ... + 18186.

It is an arithmetic number, because the mean of its divisors is an integer number (4950162).

Almost surely, 2^65029530 is an apocalyptic number.

65029530 is an abundant number, since it is smaller than the sum of its proper divisors (93375654).

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

65029530 is a wasteful number, since it uses less digits than its factorization.

65029530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32430.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 65029530 is about 8064.0889132003. The cubic root of 65029530 is about 402.1334548619.

The spelling of 65029530 in words is "sixty-five million, twenty-nine thousand, five hundred thirty".