1507728507 has 8 divisors (see below), whose sum is σ = 2023618560. Its totient is φ = 998495400.

The previous prime is 1507728491. The next prime is 1507728569. The reversal of 1507728507 is 7058277051.

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

It is not a de Polignac number, because 1507728507 - 2⁴ = 1507728491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1507748507) 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, 1663707 + ... + 1664612.

It is an arithmetic number, because the mean of its divisors is an integer number (252952320).

Almost surely, 2^1507728507 is an apocalyptic number.

1507728507 is a deficient number, since it is larger than the sum of its proper divisors (515890053).

1507728507 is a wasteful number, since it uses less digits than its factorization.

1507728507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328473.

The product of its (nonzero) digits is 137200, while the sum is 42.

The square root of 1507728507 is about 38829.4798703253. The cubic root of 1507728507 is about 1146.6768606092.

The spelling of 1507728507 in words is "one billion, five hundred seven million, seven hundred twenty-eight thousand, five hundred seven".