70121400532 has 24 divisors (see below), whose sum is σ = 129226134240. Its totient is φ = 33201223200.

The previous prime is 70121400523. The next prime is 70121400611. The reversal of 70121400532 is 23500412107.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70121400497 and 70121400506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16594 + ... + 374857.

It is an arithmetic number, because the mean of its divisors is an integer number (5384422260).

Almost surely, 2^70121400532 is an apocalyptic number.

It is an amenable number.

70121400532 is a deficient number, since it is larger than the sum of its proper divisors (59104733708).

70121400532 is a wasteful number, since it uses less digits than its factorization.

70121400532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393831 (or 393829 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 70121400532 its reverse (23500412107), we get a palindrome (93621812639).

The spelling of 70121400532 in words is "seventy billion, one hundred twenty-one million, four hundred thousand, five hundred thirty-two".