72866270 has 16 divisors (see below), whose sum is σ = 135682560. Its totient is φ = 28141344.

The previous prime is 72866263. The next prime is 72866279. The reversal of 72866270 is 7266827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72866279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125342 + ... + 125921.

It is an arithmetic number, because the mean of its divisors is an integer number (8480160).

Almost surely, 2^72866270 is an apocalyptic number.

72866270 is a deficient number, since it is larger than the sum of its proper divisors (62816290).

72866270 is a wasteful number, since it uses less digits than its factorization.

72866270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251299.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 72866270 is about 8536.1742015964. The cubic root of 72866270 is about 417.6785567766.

The spelling of 72866270 in words is "seventy-two million, eight hundred sixty-six thousand, two hundred seventy".