72530771410 has 16 divisors (see below), whose sum is σ = 130559679000. Its totient is φ = 29011355136.

The previous prime is 72530771387. The next prime is 72530771419. The reversal of 72530771410 is 1417703527.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72018699769 + 512071641 = 268363^2 + 22629^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72530771410.

It is not an unprimeable number, because it can be changed into a prime (72530771419) 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, 256816 + ... + 459364.

Almost surely, 2^72530771410 is an apocalyptic number.

72530771410 is a deficient number, since it is larger than the sum of its proper divisors (58028907590).

72530771410 is a wasteful number, since it uses less digits than its factorization.

72530771410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238365.

The product of its (nonzero) digits is 41160, while the sum is 37.

The spelling of 72530771410 in words is "seventy-two billion, five hundred thirty million, seven hundred seventy-one thousand, four hundred ten".