7235142064 has 40 divisors (see below), whose sum is σ = 14889680928. Its totient is φ = 3393991680.

The previous prime is 7235142043. The next prime is 7235142067. The reversal of 7235142064 is 4602415327.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (7235142067) 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, 44269 + ... + 128179.

Almost surely, 2^7235142064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7235142064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7444840464).

7235142064 is an abundant number, since it is smaller than the sum of its proper divisors (7654538864).

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

7235142064 is a wasteful number, since it uses less digits than its factorization.

7235142064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84253 (or 84247 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 7235142064 is about 85059.6382780929. The cubic root of 7235142064 is about 1934.1152727087.

The spelling of 7235142064 in words is "seven billion, two hundred thirty-five million, one hundred forty-two thousand, sixty-four".