45728776 has 64 divisors (see below), whose sum is σ = 95256000. Its totient is φ = 20490240.

The previous prime is 45728747. The next prime is 45728777. The reversal of 45728776 is 67782754.

It is a super-2 number, since 2×45728776² = 4182241908916352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45728777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328915 + ... + 329053.

It is an arithmetic number, because the mean of its divisors is an integer number (1488375).

Almost surely, 2^45728776 is an apocalyptic number.

It is an amenable number.

45728776 is an abundant number, since it is smaller than the sum of its proper divisors (49527224).

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

45728776 is a wasteful number, since it uses less digits than its factorization.

45728776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 258 counting only the distinct ones).

The product of its digits is 658560, while the sum is 46.

The square root of 45728776 is about 6762.3055240058. The cubic root of 45728776 is about 357.5991893907.

The spelling of 45728776 in words is "forty-five million, seven hundred twenty-eight thousand, seven hundred seventy-six".