70772249088 has 90 divisors (see below), whose sum is σ = 204305634819. Its totient is φ = 23584730112.

The previous prime is 70772249039. The next prime is 70772249117. The reversal of 70772249088 is 88094227707.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

70772249088 is a `hidden beast` number, since 7 + 0 + 7 + 72 + 2 + 490 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 35386124544 + 35386124544 = 188112^2 + 188112^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=188112.

It is a super-2 number, since 2×70772249088² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18056793 + ... + 18060711.

Almost surely, 2^70772249088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70772249088

70772249088 is an abundant number, since it is smaller than the sum of its proper divisors (133533385731).

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

70772249088 is an frugal number, since it uses more digits than its factorization.

70772249088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7862 (or 3924 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The spelling of 70772249088 in words is "seventy billion, seven hundred seventy-two million, two hundred forty-nine thousand, eighty-eight".