72214286 has 16 divisors (see below), whose sum is σ = 111196800. Its totient is φ = 35154168.

The previous prime is 72214237. The next prime is 72214291. The reversal of 72214286 is 68241227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29705 + ... + 32043.

It is an arithmetic number, because the mean of its divisors is an integer number (6949800).

Almost surely, 2^72214286 is an apocalyptic number.

72214286 is a deficient number, since it is larger than the sum of its proper divisors (38982514).

72214286 is a wasteful number, since it uses less digits than its factorization.

72214286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743.

The product of its digits is 10752, while the sum is 32.

The square root of 72214286 is about 8497.8989167911. The cubic root of 72214286 is about 416.4290714399.

The spelling of 72214286 in words is "seventy-two million, two hundred fourteen thousand, two hundred eighty-six".