1490528729 has 8 divisors (see below), whose sum is σ = 1502357760. Its totient is φ = 1478736976.

The previous prime is 1490528723. The next prime is 1490528779. The reversal of 1490528729 is 9278250941.

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

It is a cyclic number.

It is not a de Polignac number, because 1490528729 - 2⁴ = 1490528713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1490528723) 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, 73874 + ... + 91860.

It is an arithmetic number, because the mean of its divisors is an integer number (187794720).

Almost surely, 2^1490528729 is an apocalyptic number.

It is an amenable number.

1490528729 is a deficient number, since it is larger than the sum of its proper divisors (11829031).

1490528729 is a wasteful number, since it uses less digits than its factorization.

1490528729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18639.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 1490528729 is about 38607.3662530870. The cubic root of 1490528729 is about 1142.2998429021.

It can be divided in two parts, 14905 and 28729, that added together give a palindrome (43634).

The spelling of 1490528729 in words is "one billion, four hundred ninety million, five hundred twenty-eight thousand, seven hundred twenty-nine".