1450273728 has 56 divisors (see below), whose sum is σ = 3926441728. Its totient is φ = 472179456.

The previous prime is 1450273697. The next prime is 1450273729. The reversal of 1450273728 is 8273720541.

It is a super-2 number, since 2×1450273728² = 4206587772254035968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450273729) 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, 79576 + ... + 96087.

Almost surely, 2^1450273728 is an apocalyptic number.

It is an amenable number.

1450273728 is an abundant number, since it is smaller than the sum of its proper divisors (2476168000).

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

1450273728 is a wasteful number, since it uses less digits than its factorization.

1450273728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175721 (or 175711 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 1450273728 is about 38082.4595844334. The cubic root of 1450273728 is about 1131.9224143240.

The spelling of 1450273728 in words is "one billion, four hundred fifty million, two hundred seventy-three thousand, seven hundred twenty-eight".