72077026652760 has 64 divisors (see below), whose sum is σ = 216232659064800. Its totient is φ = 19220400075776.

The previous prime is 72077026652759. The next prime is 72077026652779. The reversal of 72077026652760 is 6725662077027.

It is a Cunningham number, because it is equal to 8489819²-1.

It is a super-2 number, since 2×72077026652760² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72077026652760.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14857186 + ... + 19102094.

Almost surely, 2^{72077026652760} is an apocalyptic number.

It is an amenable number.

72077026652760 is an abundant number, since it is smaller than the sum of its proper divisors (144155632412040).

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

72077026652760 is a wasteful number, since it uses less digits than its factorization.

72077026652760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386420 (or 4386416 counting only the distinct ones).

The product of its (nonzero) digits is 20744640, while the sum is 57.

The spelling of 72077026652760 in words is "seventy-two trillion, seventy-seven billion, twenty-six million, six hundred fifty-two thousand, seven hundred sixty".