72798210 has 32 divisors (see below), whose sum is σ = 194129280. Its totient is φ = 19412784.

The previous prime is 72798181. The next prime is 72798223. The reversal of 72798210 is 1289727.

72798210 = T₁₃₀₀ + T₁₃₀₁ + ... + T₁₃₈₀.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134542 + ... + 135081.

It is an arithmetic number, because the mean of its divisors is an integer number (6066540).

Almost surely, 2^72798210 is an apocalyptic number.

72798210 is an abundant number, since it is smaller than the sum of its proper divisors (121331070).

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

72798210 is a wasteful number, since it uses less digits than its factorization.

72798210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269639 (or 269633 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 72798210 is about 8532.1867068179. The cubic root of 72798210 is about 417.5484734615.

The spelling of 72798210 in words is "seventy-two million, seven hundred ninety-eight thousand, two hundred ten".