65074722042 has 128 divisors (see below), whose sum is σ = 157731618816. Its totient is φ = 17665920000.

The previous prime is 65074722023. The next prime is 65074722067. The reversal of 65074722042 is 24022747056.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2106367 + ... + 2137037.

It is an arithmetic number, because the mean of its divisors is an integer number (1232278272).

Almost surely, 2^65074722042 is an apocalyptic number.

65074722042 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 65074722042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78865809408).

65074722042 is an abundant number, since it is smaller than the sum of its proper divisors (92656896774).

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

65074722042 is a wasteful number, since it uses less digits than its factorization.

65074722042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30796.

The product of its (nonzero) digits is 188160, while the sum is 39.

The spelling of 65074722042 in words is "sixty-five billion, seventy-four million, seven hundred twenty-two thousand, forty-two".