1006213772 has 24 divisors (see below), whose sum is σ = 1800079680. Its totient is φ = 492014160.

The previous prime is 1006213763. The next prime is 1006213777. The reversal of 1006213772 is 2773126001.

It is not an unprimeable number, because it can be changed into a prime (1006213777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23747 + ... + 50757.

It is an arithmetic number, because the mean of its divisors is an integer number (75003320).

Almost surely, 2^1006213772 is an apocalyptic number.

It is an amenable number.

1006213772 is a deficient number, since it is larger than the sum of its proper divisors (793865908).

1006213772 is a wasteful number, since it uses less digits than its factorization.

1006213772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27221 (or 27219 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 1006213772 is about 31720.8728127080. The cubic root of 1006213772 is about 1002.0669819752.

Adding to 1006213772 its reverse (2773126001), we get a palindrome (3779339773).

The spelling of 1006213772 in words is "one billion, six million, two hundred thirteen thousand, seven hundred seventy-two".