8072532428 has 24 divisors (see below), whose sum is σ = 14411746272. Its totient is φ = 3955595904.

The previous prime is 8072532323. The next prime is 8072532437. The reversal of 8072532428 is 8242352708.

It is a happy number.

It is a super-2 number, since 2×8072532428² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42200 + ... + 133887.

It is an arithmetic number, because the mean of its divisors is an integer number (600489428).

Almost surely, 2^8072532428 is an apocalyptic number.

It is an amenable number.

8072532428 is a deficient number, since it is larger than the sum of its proper divisors (6339213844).

8072532428 is a wasteful number, since it uses less digits than its factorization.

8072532428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176321 (or 176319 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 8072532428 is about 89847.2727911092. The cubic root of 8072532428 is about 2006.0261932606.

The spelling of 8072532428 in words is "eight billion, seventy-two million, five hundred thirty-two thousand, four hundred twenty-eight".