70822438 has 4 divisors (see below), whose sum is σ = 106233660. Its totient is φ = 35411218.

The previous prime is 70822393. The next prime is 70822463. The reversal of 70822438 is 83422807.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 17705608 + ... + 17705611.

It is an arithmetic number, because the mean of its divisors is an integer number (26558415).

Almost surely, 2^70822438 is an apocalyptic number.

70822438 is a deficient number, since it is larger than the sum of its proper divisors (35411222).

70822438 is a wasteful number, since it uses less digits than its factorization.

70822438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35411221.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 70822438 is about 8415.6068111575. The cubic root of 70822438 is about 413.7362981075.

The spelling of 70822438 in words is "seventy million, eight hundred twenty-two thousand, four hundred thirty-eight".