72254045615402 has 32 divisors (see below), whose sum is σ = 126435699667200. Its totient is φ = 30955292681040.

The previous prime is 72254045615369. The next prime is 72254045615489. The reversal of 72254045615402 is 20451654045227.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16261049 + ... + 20222012.

It is an arithmetic number, because the mean of its divisors is an integer number (3951115614600).

Almost surely, 2^{72254045615402} is an apocalyptic number.

72254045615402 is a deficient number, since it is larger than the sum of its proper divisors (54181654051798).

72254045615402 is a wasteful number, since it uses less digits than its factorization.

72254045615402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36485971 (or 36485957 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 47.

The spelling of 72254045615402 in words is "seventy-two trillion, two hundred fifty-four billion, forty-five million, six hundred fifteen thousand, four hundred two".