729387962 has 8 divisors (see below), whose sum is σ = 1095011892. Its totient is φ = 364384000.

The previous prime is 729387949. The next prime is 729388021. The reversal of 729387962 is 269783927.

It can be written as a sum of positive squares in 2 ways, for example, as 665691601 + 63696361 = 25801^2 + 7981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×729387962² = 1064013598221026888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152039 + ... + 156762.

Almost surely, 2^729387962 is an apocalyptic number.

729387962 is a deficient number, since it is larger than the sum of its proper divisors (365623930).

729387962 is a wasteful number, since it uses less digits than its factorization.

729387962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309984.

The product of its digits is 2286144, while the sum is 53.

The square root of 729387962 is about 27007.1835258696. The cubic root of 729387962 is about 900.1596268304.

The spelling of 729387962 in words is "seven hundred twenty-nine million, three hundred eighty-seven thousand, nine hundred sixty-two".