65143074 has 16 divisors (see below), whose sum is σ = 130374720. Its totient is φ = 21699600.

The previous prime is 65143073. The next prime is 65143093. The reversal of 65143074 is 47034156.

It is not an unprimeable number, because it can be changed into a prime (65143073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9499 + ... + 14849.

It is an arithmetic number, because the mean of its divisors is an integer number (8148420).

Almost surely, 2^65143074 is an apocalyptic number.

65143074 is an abundant number, since it is smaller than the sum of its proper divisors (65231646).

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

65143074 is a wasteful number, since it uses less digits than its factorization.

65143074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7385.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 65143074 is about 8071.1259437578. The cubic root of 65143074 is about 402.3673654773.

The spelling of 65143074 in words is "sixty-five million, one hundred forty-three thousand, seventy-four".