1024729272 has 128 divisors (see below), whose sum is σ = 3262425600. Its totient is φ = 291942144.

The previous prime is 1024729217. The next prime is 1024729331. The reversal of 1024729272 is 2729274201.

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 31 ways as a sum of consecutive naturals, for example, 690243 + ... + 691725.

It is an arithmetic number, because the mean of its divisors is an integer number (25487700).

Almost surely, 2^1024729272 is an apocalyptic number.

1024729272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1024729272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1631212800).

1024729272 is an abundant number, since it is smaller than the sum of its proper divisors (2237696328).

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

1024729272 is a wasteful number, since it uses less digits than its factorization.

1024729272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962 (or 1952 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1024729272 is about 32011.3928469225. The cubic root of 1024729272 is about 1008.1760605168.

The spelling of 1024729272 in words is "one billion, twenty-four million, seven hundred twenty-nine thousand, two hundred seventy-two".