72265631298 has 24 divisors (see below), whose sum is σ = 168128204112. Its totient is φ = 20647323144.

The previous prime is 72265631297. The next prime is 72265631299. The reversal of 72265631298 is 89213656227.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72265631297) and next prime (72265631299).

It is a self number, because there is not a number n which added to its sum of digits gives 72265631298.

It is not an unprimeable number, because it can be changed into a prime (72265631297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122900440 + ... + 122901027.

It is an arithmetic number, because the mean of its divisors is an integer number (7005341838).

Almost surely, 2^72265631298 is an apocalyptic number.

72265631298 is an abundant number, since it is smaller than the sum of its proper divisors (95862572814).

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

72265631298 is a wasteful number, since it uses less digits than its factorization.

72265631298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245801486 (or 245801479 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The spelling of 72265631298 in words is "seventy-two billion, two hundred sixty-five million, six hundred thirty-one thousand, two hundred ninety-eight".