7142731662 has 32 divisors (see below), whose sum is σ = 16500858624. Its totient is φ = 2037142400.

The previous prime is 7142731657. The next prime is 7142731663. The reversal of 7142731662 is 2661372417.

It is a self number, because there is not a number n which added to its sum of digits gives 7142731662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142731663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3181914 + ... + 3184157.

It is an arithmetic number, because the mean of its divisors is an integer number (515651832).

Almost surely, 2^7142731662 is an apocalyptic number.

7142731662 is an abundant number, since it is smaller than the sum of its proper divisors (9358126962).

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

7142731662 is a wasteful number, since it uses less digits than its factorization.

7142731662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6366104.

The product of its digits is 84672, while the sum is 39.

The square root of 7142731662 is about 84514.6831148292. The cubic root of 7142731662 is about 1925.8455081073.

The spelling of 7142731662 in words is "seven billion, one hundred forty-two million, seven hundred thirty-one thousand, six hundred sixty-two".