70993141 has 2 divisors, whose sum is σ = 70993142. Its totient is φ = 70993140.

The previous prime is 70993123. The next prime is 70993151. The reversal of 70993141 is 14139907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42850116 + 28143025 = 6546^2 + 5305^2 .

It is a cyclic number.

It is not a de Polignac number, because 70993141 - 2¹¹ = 70991093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70993097 and 70993106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70993151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35496570 + 35496571.

It is an arithmetic number, because the mean of its divisors is an integer number (35496571).

Almost surely, 2^70993141 is an apocalyptic number.

It is an amenable number.

70993141 is a deficient number, since it is larger than the sum of its proper divisors (1).

70993141 is an equidigital number, since it uses as much as digits as its factorization.

70993141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 70993141 is about 8425.7427565764. The cubic root of 70993141 is about 414.0684403021.

The spelling of 70993141 in words is "seventy million, nine hundred ninety-three thousand, one hundred forty-one".