1005476745 has 64 divisors (see below), whose sum is σ = 1995485184. Its totient is φ = 420975360.

The previous prime is 1005476737. The next prime is 1005476803. The reversal of 1005476745 is 5476745001.

It is not a de Polignac number, because 1005476745 - 2³ = 1005476737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 176004 + ... + 181626.

It is an arithmetic number, because the mean of its divisors is an integer number (31179456).

Almost surely, 2^1005476745 is an apocalyptic number.

1005476745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1005476745 is a deficient number, since it is larger than the sum of its proper divisors (990008439).

1005476745 is a wasteful number, since it uses less digits than its factorization.

1005476745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 1005476745 is about 31709.2533024668. The cubic root of 1005476745 is about 1001.8222590217.

The spelling of 1005476745 in words is "one billion, five million, four hundred seventy-six thousand, seven hundred forty-five".