1074638736 has 30 divisors (see below), whose sum is σ = 3007496310. Its totient is φ = 358212864.

The previous prime is 1074638723. The next prime is 1074638753. The reversal of 1074638736 is 6378364701.

1074638736 is a `hidden beast` number, since 1 + 0 + 7 + 4 + 638 + 7 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1059893136 + 14745600 = 32556^2 + 3840^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1074638691 and 1074638700.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3731241 + ... + 3731528.

It is an arithmetic number, because the mean of its divisors is an integer number (100249877).

Almost surely, 2^1074638736 is an apocalyptic number.

1074638736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1074638736 is an abundant number, since it is smaller than the sum of its proper divisors (1932857574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1074638736 is a wasteful number, since it uses less digits than its factorization.

1074638736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7462783 (or 7462774 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 1074638736 is about 32781.6829342241. The cubic root of 1074638736 is about 1024.2850412945.

The spelling of 1074638736 in words is "one billion, seventy-four million, six hundred thirty-eight thousand, seven hundred thirty-six".