1009387672 has 16 divisors (see below), whose sum is σ = 1893346560. Its totient is φ = 504495264.

The previous prime is 1009387669. The next prime is 1009387681. The reversal of 1009387672 is 2767839001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1983 + ... + 44974.

It is an arithmetic number, because the mean of its divisors is an integer number (118334160).

Almost surely, 2^1009387672 is an apocalyptic number.

It is an amenable number.

1009387672 is a deficient number, since it is larger than the sum of its proper divisors (883958888).

1009387672 is a wasteful number, since it uses less digits than its factorization.

1009387672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49650 (or 49646 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 1009387672 is about 31770.8619964898. The cubic root of 1009387672 is about 1003.1194827089.

The spelling of 1009387672 in words is "one billion, nine million, three hundred eighty-seven thousand, six hundred seventy-two".