70980033644 has 48 divisors (see below), whose sum is σ = 135682599360. Its totient is φ = 32292172800.

The previous prime is 70980033623. The next prime is 70980033647. The reversal of 70980033644 is 44633008907.

It is a happy number.

It is a super-2 number, since 2×70980033644² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70980033595 and 70980033604.

It is not an unprimeable number, because it can be changed into a prime (70980033647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7925369 + ... + 7934319.

It is an arithmetic number, because the mean of its divisors is an integer number (2826720820).

Almost surely, 2^70980033644 is an apocalyptic number.

It is an amenable number.

70980033644 is a deficient number, since it is larger than the sum of its proper divisors (64702565716).

70980033644 is a wasteful number, since it uses less digits than its factorization.

70980033644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11130 (or 11128 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 70980033644 in words is "seventy billion, nine hundred eighty million, thirty-three thousand, six hundred forty-four".