72289141796474 has 16 divisors (see below), whose sum is σ = 111130611658920. Its totient is φ = 35246432739840.

The previous prime is 72289141796467. The next prime is 72289141796479. The reversal of 72289141796474 is 47469714198227.

It can be written as a sum of positive squares in 4 ways, for example, as 42188831155849 + 30100310640625 = 6495293^2 + 5486375^2 .

It is a junction number, because it is equal to n+sod(n) for n = 72289141796398 and 72289141796407.

It is not an unprimeable number, because it can be changed into a prime (72289141796479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206865089 + ... + 207214244.

Almost surely, 2^{72289141796474} is an apocalyptic number.

72289141796474 is a deficient number, since it is larger than the sum of its proper divisors (38841469862446).

72289141796474 is a wasteful number, since it uses less digits than its factorization.

72289141796474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414081505.

The product of its digits is 341397504, while the sum is 71.

The spelling of 72289141796474 in words is "seventy-two trillion, two hundred eighty-nine billion, one hundred forty-one million, seven hundred ninety-six thousand, four hundred seventy-four".