1074536820 has 96 divisors (see below), whose sum is σ = 3820588800. Its totient is φ = 245607552.

The previous prime is 1074536809. The next prime is 1074536857. The reversal of 1074536820 is 286354701.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138355 + ... + 145914.

It is an arithmetic number, because the mean of its divisors is an integer number (39797800).

Almost surely, 2^1074536820 is an apocalyptic number.

1074536820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1074536820 is an abundant number, since it is smaller than the sum of its proper divisors (2746051980).

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

1074536820 is a wasteful number, since it uses less digits than its factorization.

1074536820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284294 (or 284286 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1074536820 is about 32780.1284317191. The cubic root of 1074536820 is about 1024.2526600762.

The spelling of 1074536820 in words is "one billion, seventy-four million, five hundred thirty-six thousand, eight hundred twenty".