1000500072 has 64 divisors (see below), whose sum is σ = 2938541760. Its totient is φ = 279859200.

The previous prime is 1000500047. The next prime is 1000500077. The reversal of 1000500072 is 2700050001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1000500077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142329 + ... + 149192.

It is an arithmetic number, because the mean of its divisors is an integer number (45914715).

Almost surely, 2^1000500072 is an apocalyptic number.

1000500072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000500072 is an abundant number, since it is smaller than the sum of its proper divisors (1938041688).

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

1000500072 is a wasteful number, since it uses less digits than its factorization.

1000500072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291554 (or 291550 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 1000500072 is about 31630.6824460049. The cubic root of 1000500072 is about 1000.1666628886.

Adding to 1000500072 its reverse (2700050001), we get a palindrome (3700550073).

The spelling of 1000500072 in words is "one billion, five hundred thousand, seventy-two".