72947964254282 has 8 divisors (see below), whose sum is σ = 117839019180036. Its totient is φ = 33668291194272.

The previous prime is 72947964254267. The next prime is 72947964254287. The reversal of 72947964254282 is 28245246974927.

It can be written as a sum of positive squares in 2 ways, for example, as 55977346203601 + 16970618050681 = 7481801^2 + 4119541^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (72947964254287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1402845466403 + ... + 1402845466454.

Almost surely, 2^{72947964254282} is an apocalyptic number.

72947964254282 is a deficient number, since it is larger than the sum of its proper divisors (44891054925754).

72947964254282 is a wasteful number, since it uses less digits than its factorization.

72947964254282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805690932872.

The product of its digits is 975421440, while the sum is 71.

The spelling of 72947964254282 in words is "seventy-two trillion, nine hundred forty-seven billion, nine hundred sixty-four million, two hundred fifty-four thousand, two hundred eighty-two".