7129742000 has 40 divisors (see below), whose sum is σ = 17239720992. Its totient is φ = 2851896000.

The previous prime is 7129741943. The next prime is 7129742003. The reversal of 7129742000 is 2479217.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (7129742003) 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, 1780436 + ... + 1784435.

Almost surely, 2^7129742000 is an apocalyptic number.

It is an amenable number.

7129742000 is an abundant number, since it is smaller than the sum of its proper divisors (10109978992).

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

7129742000 is a wasteful number, since it uses less digits than its factorization.

7129742000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564894 (or 3564878 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 7129742000 is about 84437.7995923627. The cubic root of 7129742000 is about 1924.6773620180.

The spelling of 7129742000 in words is "seven billion, one hundred twenty-nine million, seven hundred forty-two thousand".