7142003664 has 20 divisors (see below), whose sum is σ = 18450176256. Its totient is φ = 2380667872.

The previous prime is 7142003657. The next prime is 7142003669. The reversal of 7142003664 is 4663002417.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142003669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74395824 + ... + 74395919.

Almost surely, 2^7142003664 is an apocalyptic number.

It is an amenable number.

7142003664 is an abundant number, since it is smaller than the sum of its proper divisors (11308172592).

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

7142003664 is a wasteful number, since it uses less digits than its factorization.

7142003664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148791754 (or 148791748 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 7142003664 is about 84510.3760730006. The cubic root of 7142003664 is about 1925.7800775233.

The spelling of 7142003664 in words is "seven billion, one hundred forty-two million, three thousand, six hundred sixty-four".