72882890 has 32 divisors (see below), whose sum is σ = 133527744. Its totient is φ = 28638720.

The previous prime is 72882889. The next prime is 72882899. The reversal of 72882890 is 9828827.

It is not an unprimeable number, because it can be changed into a prime (72882899) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 220025 + ... + 220355.

It is an arithmetic number, because the mean of its divisors is an integer number (4172742).

Almost surely, 2^72882890 is an apocalyptic number.

72882890 is a deficient number, since it is larger than the sum of its proper divisors (60644854).

72882890 is a wasteful number, since it uses less digits than its factorization.

72882890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 72882890 is about 8537.1476501230. The cubic root of 72882890 is about 417.7103103342.

The spelling of 72882890 in words is "seventy-two million, eight hundred eighty-two thousand, eight hundred ninety".