919007072 has 12 divisors (see below), whose sum is σ = 1809295236. Its totient is φ = 459503520.

The previous prime is 919007053. The next prime is 919007081. The reversal of 919007072 is 270700919.

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 as a sum of consecutive naturals, namely, 14359454 + ... + 14359517.

It is an arithmetic number, because the mean of its divisors is an integer number (150774603).

Almost surely, 2^919007072 is an apocalyptic number.

It is an amenable number.

919007072 is a deficient number, since it is larger than the sum of its proper divisors (890288164).

919007072 is a wasteful number, since it uses less digits than its factorization.

919007072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28718981 (or 28718973 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 919007072 is about 30315.1294241011. The cubic root of 919007072 is about 972.2388050931.

The spelling of 919007072 in words is "nine hundred nineteen million, seven thousand, seventy-two".