72214336 has 14 divisors (see below), whose sum is σ = 143300450. Its totient is φ = 36107136.

The previous prime is 72214327. The next prime is 72214361. The reversal of 72214336 is 63341227.

It can be written as a sum of positive squares in only one way, i.e., 61716736 + 10497600 = 7856^2 + 3240^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564111 + ... + 564238.

Almost surely, 2^72214336 is an apocalyptic number.

It is an amenable number.

72214336 is a deficient number, since it is larger than the sum of its proper divisors (71086114).

72214336 is a wasteful number, since it uses less digits than its factorization.

72214336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128361 (or 1128351 counting only the distinct ones).

The product of its digits is 6048, while the sum is 28.

The square root of 72214336 is about 8497.9018586943. The cubic root of 72214336 is about 416.4291675495.

The spelling of 72214336 in words is "seventy-two million, two hundred fourteen thousand, three hundred thirty-six".