70330100621 has 12 divisors (see below), whose sum is σ = 77317608732. Its totient is φ = 63926016000.

The previous prime is 70330100569. The next prime is 70330100719. The reversal of 70330100621 is 12600103307.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44484715396 + 25845385225 = 210914^2 + 160765^2 .

It is not a de Polignac number, because 70330100621 - 2¹⁰ = 70330099597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70330100521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 752141 + ... + 840461.

It is an arithmetic number, because the mean of its divisors is an integer number (6443134061).

Almost surely, 2^70330100621 is an apocalyptic number.

It is an amenable number.

70330100621 is a deficient number, since it is larger than the sum of its proper divisors (6987508111).

70330100621 is a wasteful number, since it uses less digits than its factorization.

70330100621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94924 (or 94913 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 70330100621 its reverse (12600103307), we get a palindrome (82930203928).

The spelling of 70330100621 in words is "seventy billion, three hundred thirty million, one hundred thousand, six hundred twenty-one".