1530673240 has 32 divisors (see below), whose sum is σ = 3451248000. Its totient is φ = 610983424.

The previous prime is 1530673237. The next prime is 1530673363. The reversal of 1530673240 is 423760351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20785 + ... + 59104.

It is an arithmetic number, because the mean of its divisors is an integer number (107851500).

Almost surely, 2^1530673240 is an apocalyptic number.

1530673240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530673240 is an abundant number, since it is smaller than the sum of its proper divisors (1920574760).

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

1530673240 is a wasteful number, since it uses less digits than its factorization.

1530673240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80379 (or 80375 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 1530673240 is about 39123.8193432083. The cubic root of 1530673240 is about 1152.4643410872.

The spelling of 1530673240 in words is "one billion, five hundred thirty million, six hundred seventy-three thousand, two hundred forty".