72782660070 has 24 divisors (see below), whose sum is σ = 189234916416. Its totient is φ = 19408709328.

The previous prime is 72782660059. The next prime is 72782660089. The reversal of 72782660070 is 7006628727.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 72782659998 and 72782660025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404348022 + ... + 404348201.

It is an arithmetic number, because the mean of its divisors is an integer number (7884788184).

Almost surely, 2^72782660070 is an apocalyptic number.

72782660070 is an abundant number, since it is smaller than the sum of its proper divisors (116452256346).

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

72782660070 is a wasteful number, since it uses less digits than its factorization.

72782660070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808696236 (or 808696233 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 72782660070 in words is "seventy-two billion, seven hundred eighty-two million, six hundred sixty thousand, seventy".