70990622 has 4 divisors (see below), whose sum is σ = 106485936. Its totient is φ = 35495310.

The previous prime is 70990609. The next prime is 70990643. The reversal of 70990622 is 22609907.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 17747654 + ... + 17747657.

It is an arithmetic number, because the mean of its divisors is an integer number (26621484).

Almost surely, 2^70990622 is an apocalyptic number.

70990622 is a deficient number, since it is larger than the sum of its proper divisors (35495314).

70990622 is a wasteful number, since it uses less digits than its factorization.

70990622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35495313.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 70990622 is about 8425.5932728800. The cubic root of 70990622 is about 414.0635428772.

The spelling of 70990622 in words is "seventy million, nine hundred ninety thousand, six hundred twenty-two".