1073573648 has 160 divisors (see below), whose sum is σ = 2580215808. Its totient is φ = 423014400.

The previous prime is 1073573639. The next prime is 1073573651. The reversal of 1073573648 is 8463753701.

It is a junction number, because it is equal to n+sod(n) for n = 1073573599 and 1073573608.

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, 7836236 + ... + 7836372.

Almost surely, 2^1073573648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1073573648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290107904).

1073573648 is an abundant number, since it is smaller than the sum of its proper divisors (1506642160).

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

1073573648 is a wasteful number, since it uses less digits than its factorization.

1073573648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 1073573648 is about 32765.4337374008. The cubic root of 1073573648 is about 1023.9465354980.

The spelling of 1073573648 in words is "one billion, seventy-three million, five hundred seventy-three thousand, six hundred forty-eight".