72871205 has 16 divisors (see below), whose sum is σ = 96743808. Its totient is φ = 52248000.

The previous prime is 72871193. The next prime is 72871207. The reversal of 72871205 is 50217827.

It is not a de Polignac number, because 72871205 - 2⁴ = 72871189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72871207) 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, 5426 + ... + 13235.

It is an arithmetic number, because the mean of its divisors is an integer number (6046488).

Almost surely, 2^72871205 is an apocalyptic number.

It is an amenable number.

72871205 is a deficient number, since it is larger than the sum of its proper divisors (23872603).

72871205 is a wasteful number, since it uses less digits than its factorization.

72871205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18748.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 72871205 is about 8536.4632606250. The cubic root of 72871205 is about 417.6879859092.

The spelling of 72871205 in words is "seventy-two million, eight hundred seventy-one thousand, two hundred five".