1004009747 has 16 divisors (see below), whose sum is σ = 1094365440. Its totient is φ = 915600672.

The previous prime is 1004009737. The next prime is 1004009753. The reversal of 1004009747 is 7479004001.

It is a cyclic number.

It is not a de Polignac number, because 1004009747 - 2⁶ = 1004009683 is a prime.

It is a super-3 number, since 3×1004009747³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004009737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377978 + ... + 380624.

It is an arithmetic number, because the mean of its divisors is an integer number (68397840).

Almost surely, 2^1004009747 is an apocalyptic number.

1004009747 is a deficient number, since it is larger than the sum of its proper divisors (90355693).

1004009747 is a wasteful number, since it uses less digits than its factorization.

1004009747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 1004009747 is about 31686.1128414326. The cubic root of 1004009747 is about 1001.3347998500.

The spelling of 1004009747 in words is "one billion, four million, nine thousand, seven hundred forty-seven".