70856486 has 4 divisors (see below), whose sum is σ = 106284732. Its totient is φ = 35428242.

The previous prime is 70856477. The next prime is 70856497. The reversal of 70856486 is 68465807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68465807 = 6379 ⋅10733.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17714120 + ... + 17714123.

It is an arithmetic number, because the mean of its divisors is an integer number (26571183).

Almost surely, 2^70856486 is an apocalyptic number.

70856486 is a deficient number, since it is larger than the sum of its proper divisors (35428246).

70856486 is a wasteful number, since it uses less digits than its factorization.

70856486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35428245.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 70856486 is about 8417.6294762837. The cubic root of 70856486 is about 413.8025889472.

The spelling of 70856486 in words is "seventy million, eight hundred fifty-six thousand, four hundred eighty-six".