73228478628496 has 45 divisors (see below), whose sum is σ = 146606719715139. Its totient is φ = 35432621378400.

The previous prime is 73228478628457. The next prime is 73228478628499. The reversal of 73228478628496 is 69482687482237.

It is a happy number.

The square root of 73228478628496 is 8557364.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (73228478628499) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1061078631 + ... + 1061147641.

Almost surely, 2^{73228478628496} is an apocalyptic number.

73228478628496 is the 8557364-th square number.

It is an amenable number.

73228478628496 is an abundant number, since it is smaller than the sum of its proper divisors (73378241086643).

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

73228478628496 is an frugal number, since it uses more digits than its factorization.

73228478628496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138092 (or 69044 counting only the distinct ones).

The product of its digits is 3121348608, while the sum is 76.

The spelling of 73228478628496 in words is "seventy-three trillion, two hundred twenty-eight billion, four hundred seventy-eight million, six hundred twenty-eight thousand, four hundred ninety-six".