7573727828 has 6 divisors (see below), whose sum is σ = 13254023706. Its totient is φ = 3786863912.

The previous prime is 7573727827. The next prime is 7573727873. The reversal of 7573727828 is 8287273757.

It can be written as a sum of positive squares in only one way, i.e., 6209755204 + 1363972624 = 78802^2 + 36932^2 .

It is a super-2 number, since 2×7573727828² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7573727827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 946715975 + ... + 946715982.

It is an arithmetic number, because the mean of its divisors is an integer number (2209003951).

Almost surely, 2^7573727828 is an apocalyptic number.

It is an amenable number.

7573727828 is a deficient number, since it is larger than the sum of its proper divisors (5680295878).

7573727828 is a wasteful number, since it uses less digits than its factorization.

7573727828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893431961 (or 1893431959 counting only the distinct ones).

The product of its digits is 9219840, while the sum is 56.

The square root of 7573727828 is about 87027.1671835870. The cubic root of 7573727828 is about 1963.8270211141.

The spelling of 7573727828 in words is "seven billion, five hundred seventy-three million, seven hundred twenty-seven thousand, eight hundred twenty-eight".