1452730749 has 8 divisors (see below), whose sum is σ = 1938804192. Its totient is φ = 967572240.

The previous prime is 1452730717. The next prime is 1452730757. The reversal of 1452730749 is 9470372541.

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

It is not a de Polignac number, because 1452730749 - 2⁵ = 1452730717 is a prime.

It is a super-2 number, since 2×1452730749² = 4220853258180202002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1452730749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452730249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225019 + ... + 231384.

It is an arithmetic number, because the mean of its divisors is an integer number (242350524).

Almost surely, 2^1452730749 is an apocalyptic number.

It is an amenable number.

1452730749 is a deficient number, since it is larger than the sum of its proper divisors (486073443).

1452730749 is a wasteful number, since it uses less digits than its factorization.

1452730749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457467.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 1452730749 is about 38114.7051543102. The cubic root of 1452730749 is about 1132.5612794739.

The spelling of 1452730749 in words is "one billion, four hundred fifty-two million, seven hundred thirty thousand, seven hundred forty-nine".