1000749528 has 24 divisors (see below), whose sum is σ = 2710363500. Its totient is φ = 333583152.

The previous prime is 1000749499. The next prime is 1000749539. The reversal of 1000749528 is 8259470001.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1000749492 and 1000749501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6949578 + ... + 6949721.

Almost surely, 2^1000749528 is an apocalyptic number.

1000749528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1000749528 is an abundant number, since it is smaller than the sum of its proper divisors (1709613972).

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

1000749528 is a wasteful number, since it uses less digits than its factorization.

1000749528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13899311 (or 13899304 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 1000749528 is about 31634.6254600872. The cubic root of 1000749528 is about 1000.2497802713.

The spelling of 1000749528 in words is "one billion, seven hundred forty-nine thousand, five hundred twenty-eight".