70243355232 has 72 divisors (see below), whose sum is σ = 199813854240. Its totient is φ = 23407499520.

The previous prime is 70243355209. The next prime is 70243355311. The reversal of 70243355232 is 23255334207.

70243355232 is a `hidden beast` number, since 70 + 2 + 4 + 3 + 3 + 552 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 985369 + ... + 1054247.

It is an arithmetic number, because the mean of its divisors is an integer number (2775192420).

Almost surely, 2^70243355232 is an apocalyptic number.

70243355232 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70243355232 is an abundant number, since it is smaller than the sum of its proper divisors (129570499008).

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

70243355232 is a wasteful number, since it uses less digits than its factorization.

70243355232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72436 (or 72425 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 36.

Adding to 70243355232 its reverse (23255334207), we get a palindrome (93498689439).

The spelling of 70243355232 in words is "seventy billion, two hundred forty-three million, three hundred fifty-five thousand, two hundred thirty-two".