73802728 has 16 divisors (see below), whose sum is σ = 138600000. Its totient is φ = 36842736.

The previous prime is 73802719. The next prime is 73802759. The reversal of 73802728 is 82720837.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1728 + ... + 12271.

It is an arithmetic number, because the mean of its divisors is an integer number (8662500).

Almost surely, 2^73802728 is an apocalyptic number.

It is an amenable number.

73802728 is a deficient number, since it is larger than the sum of its proper divisors (64797272).

73802728 is a wasteful number, since it uses less digits than its factorization.

73802728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14664 (or 14660 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 73802728 is about 8590.8514129858. The cubic root of 73802728 is about 419.4602439023.

The spelling of 73802728 in words is "seventy-three million, eight hundred two thousand, seven hundred twenty-eight".