72625774353620 has 12 divisors (see below), whose sum is σ = 152514126142644. Its totient is φ = 29050309741440.

The previous prime is 72625774353619. The next prime is 72625774353653. The reversal of 72625774353620 is 2635347752627.

It can be written as a sum of positive squares in 2 ways, for example, as 56160065976004 + 16465708377616 = 7494002^2 + 4057796^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72625774353620.

It is a congruent number.

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, 1815644358821 + ... + 1815644358860.

It is an arithmetic number, because the mean of its divisors is an integer number (12709510511887).

Almost surely, 2^{72625774353620} is an apocalyptic number.

It is an amenable number.

72625774353620 is an abundant number, since it is smaller than the sum of its proper divisors (79888351789024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72625774353620 is a wasteful number, since it uses less digits than its factorization.

72625774353620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631288717690 (or 3631288717688 counting only the distinct ones).

The product of its (nonzero) digits is 88905600, while the sum is 59.

The spelling of 72625774353620 in words is "seventy-two trillion, six hundred twenty-five billion, seven hundred seventy-four million, three hundred fifty-three thousand, six hundred twenty".