72293516 has 12 divisors (see below), whose sum is σ = 127150800. Its totient is φ = 35964720.

The previous prime is 72293489. The next prime is 72293521. The reversal of 72293516 is 61539227.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44615 + ... + 46206.

It is an arithmetic number, because the mean of its divisors is an integer number (10595900).

Almost surely, 2^72293516 is an apocalyptic number.

It is an amenable number.

72293516 is a deficient number, since it is larger than the sum of its proper divisors (54857284).

72293516 is a wasteful number, since it uses less digits than its factorization.

72293516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91024 (or 91022 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 72293516 is about 8502.5593793869. The cubic root of 72293516 is about 416.5813110136.

The spelling of 72293516 in words is "seventy-two million, two hundred ninety-three thousand, five hundred sixteen".