1017950745 has 48 divisors (see below), whose sum is σ = 1994379840. Its totient is φ = 440850816.

The previous prime is 1017950723. The next prime is 1017950789. The reversal of 1017950745 is 5470597101.

1017950745 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1017950745 - 2⁹ = 1017950233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22482 + ... + 50411.

It is an arithmetic number, because the mean of its divisors is an integer number (41549580).

Almost surely, 2^1017950745 is an apocalyptic number.

1017950745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1017950745 is a deficient number, since it is larger than the sum of its proper divisors (976429095).

1017950745 is a wasteful number, since it uses less digits than its factorization.

1017950745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72934 (or 72927 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 39.

The square root of 1017950745 is about 31905.3403837038. The cubic root of 1017950745 is about 1005.9481312524.

The spelling of 1017950745 in words is "one billion, seventeen million, nine hundred fifty thousand, seven hundred forty-five".