65019234 has 32 divisors (see below), whose sum is σ = 151424640. Its totient is φ = 18225792.

The previous prime is 65019221. The next prime is 65019257. The reversal of 65019234 is 43291056.

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, 12379 + ... + 16830.

It is an arithmetic number, because the mean of its divisors is an integer number (4732020).

Almost surely, 2^65019234 is an apocalyptic number.

65019234 is an abundant number, since it is smaller than the sum of its proper divisors (86405406).

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

65019234 is a wasteful number, since it uses less digits than its factorization.

65019234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29274.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 65019234 is about 8063.4505021114. The cubic root of 65019234 is about 402.1122307371.

The spelling of 65019234 in words is "sixty-five million, nineteen thousand, two hundred thirty-four".