70616837 has 2 divisors, whose sum is σ = 70616838. Its totient is φ = 70616836.

The previous prime is 70616803. The next prime is 70616839. The reversal of 70616837 is 73861607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67881121 + 2735716 = 8239^2 + 1654^2 .

It is a cyclic number.

It is not a de Polignac number, because 70616837 - 2⁶ = 70616773 is a prime.

Together with 70616839, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70616837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70616839) 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 as a sum of consecutive naturals, namely, 35308418 + 35308419.

It is an arithmetic number, because the mean of its divisors is an integer number (35308419).

Almost surely, 2^70616837 is an apocalyptic number.

It is an amenable number.

70616837 is a deficient number, since it is larger than the sum of its proper divisors (1).

70616837 is an equidigital number, since it uses as much as digits as its factorization.

70616837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 70616837 is about 8403.3824737423. The cubic root of 70616837 is about 413.3355444875.

The spelling of 70616837 in words is "seventy million, six hundred sixteen thousand, eight hundred thirty-seven".