73150146828 has 72 divisors (see below), whose sum is σ = 203384288016. Its totient is φ = 22166696640.

The previous prime is 73150146809. The next prime is 73150146829. The reversal of 73150146828 is 82864105137.

It is not an unprimeable number, because it can be changed into a prime (73150146829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 715401 + ... + 811232.

It is an arithmetic number, because the mean of its divisors is an integer number (2824781778).

Almost surely, 2^73150146828 is an apocalyptic number.

It is an amenable number.

73150146828 is an abundant number, since it is smaller than the sum of its proper divisors (130234141188).

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

73150146828 is a wasteful number, since it uses less digits than its factorization.

73150146828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526676 (or 1526649 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 73150146828 in words is "seventy-three billion, one hundred fifty million, one hundred forty-six thousand, eight hundred twenty-eight".