70916837 has 4 divisors (see below), whose sum is σ = 71193036. Its totient is φ = 70640640.

The previous prime is 70916821. The next prime is 70916849. The reversal of 70916837 is 73861907.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73861907 = 7 ⋅10551701.

It can be written as a sum of positive squares in 2 ways, for example, as 48011041 + 22905796 = 6929^2 + 4786^2 .

It is a cyclic number.

It is not a de Polignac number, because 70916837 - 2⁴ = 70916821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70916794 and 70916803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70916897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137714 + ... + 138227.

It is an arithmetic number, because the mean of its divisors is an integer number (17798259).

Almost surely, 2^70916837 is an apocalyptic number.

It is an amenable number.

70916837 is a deficient number, since it is larger than the sum of its proper divisors (276199).

70916837 is a wasteful number, since it uses less digits than its factorization.

70916837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276198.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 70916837 is about 8421.2135111277. The cubic root of 70916837 is about 413.9200390897.

The spelling of 70916837 in words is "seventy million, nine hundred sixteen thousand, eight hundred thirty-seven".