3142729332 has 72 divisors (see below), whose sum is σ = 8094832200. Its totient is φ = 1027891200.

The previous prime is 3142729319. The next prime is 3142729349. The reversal of 3142729332 is 2339272413.

3142729332 is a `hidden beast` number, since 314 + 2 + 7 + 2 + 9 + 332 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16353936 + 3126375396 = 4044^2 + 55914^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407044 + ... + 414692.

It is an arithmetic number, because the mean of its divisors is an integer number (112428225).

Almost surely, 2^3142729332 is an apocalyptic number.

It is an amenable number.

3142729332 is an abundant number, since it is smaller than the sum of its proper divisors (4952102868).

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

3142729332 is a wasteful number, since it uses less digits than its factorization.

3142729332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7873 (or 7868 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 3142729332 is about 56060.0511237726. The cubic root of 3142729332 is about 1464.7685038431.

The spelling of 3142729332 in words is "three billion, one hundred forty-two million, seven hundred twenty-nine thousand, three hundred thirty-two".