70651841772 has 96 divisors (see below), whose sum is σ = 178068602880. Its totient is φ = 21732217920.

The previous prime is 70651841759. The next prime is 70651841779. The reversal of 70651841772 is 27714815607.

It is not an unprimeable number, because it can be changed into a prime (70651841779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2245453 + ... + 2276699.

It is an arithmetic number, because the mean of its divisors is an integer number (1854881280).

Almost surely, 2^70651841772 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 70651841772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89034301440).

70651841772 is an abundant number, since it is smaller than the sum of its proper divisors (107416761108).

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

70651841772 is a wasteful number, since it uses less digits than its factorization.

70651841772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31531 (or 31529 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 48.

The spelling of 70651841772 in words is "seventy billion, six hundred fifty-one million, eight hundred forty-one thousand, seven hundred seventy-two".