73028870 has 16 divisors (see below), whose sum is σ = 135692928. Its totient is φ = 28269120.

The previous prime is 73028869. The next prime is 73028881. The reversal of 73028870 is 7882037.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 73028870.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117479 + ... + 118098.

It is an arithmetic number, because the mean of its divisors is an integer number (8480808).

Almost surely, 2^73028870 is an apocalyptic number.

73028870 is a deficient number, since it is larger than the sum of its proper divisors (62664058).

73028870 is a wasteful number, since it uses less digits than its factorization.

73028870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235615.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 73028870 is about 8545.6930672708. The cubic root of 73028870 is about 417.9890071359.

The spelling of 73028870 in words is "seventy-three million, twenty-eight thousand, eight hundred seventy".