72273116 has 6 divisors (see below), whose sum is σ = 126477960. Its totient is φ = 36136556.

The previous prime is 72273077. The next prime is 72273127. The reversal of 72273116 is 61137227.

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, 9034136 + ... + 9034143.

It is an arithmetic number, because the mean of its divisors is an integer number (21079660).

Almost surely, 2^72273116 is an apocalyptic number.

It is an amenable number.

72273116 is a deficient number, since it is larger than the sum of its proper divisors (54204844).

72273116 is a wasteful number, since it uses less digits than its factorization.

72273116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18068283 (or 18068281 counting only the distinct ones).

The product of its digits is 3528, while the sum is 29.

The square root of 72273116 is about 8501.3596559609. The cubic root of 72273116 is about 416.5421232750.

The spelling of 72273116 in words is "seventy-two million, two hundred seventy-three thousand, one hundred sixteen".