1073219628 has 144 divisors (see below), whose sum is σ = 2871407616. Its totient is φ = 311351040.

The previous prime is 1073219627. The next prime is 1073219657. The reversal of 1073219628 is 8269123701.

1073219628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (1073219627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2703126 + ... + 2703522.

Almost surely, 2^1073219628 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 1073219628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1435703808).

1073219628 is an abundant number, since it is smaller than the sum of its proper divisors (1798187988).

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

1073219628 is a wasteful number, since it uses less digits than its factorization.

1073219628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1073219628 is about 32760.0309523663. The cubic root of 1073219628 is about 1023.8339714443.

The spelling of 1073219628 in words is "one billion, seventy-three million, two hundred nineteen thousand, six hundred twenty-eight".