70864622 has 4 divisors (see below), whose sum is σ = 106296936. Its totient is φ = 35432310.

The previous prime is 70864621. The next prime is 70864631. The reversal of 70864622 is 22646807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22646807 = 3457 ⋅6551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70864621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17716154 + ... + 17716157.

It is an arithmetic number, because the mean of its divisors is an integer number (26574234).

Almost surely, 2^70864622 is an apocalyptic number.

70864622 is a deficient number, since it is larger than the sum of its proper divisors (35432314).

70864622 is a wasteful number, since it uses less digits than its factorization.

70864622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35432313.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 70864622 is about 8418.1127338614. The cubic root of 70864622 is about 413.8184264482.

The spelling of 70864622 in words is "seventy million, eight hundred sixty-four thousand, six hundred twenty-two".