70661422 has 16 divisors (see below), whose sum is σ = 114483600. Its totient is φ = 32516352.

The previous prime is 70661407. The next prime is 70661443. The reversal of 70661422 is 22416607.

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 in 7 ways as a sum of consecutive naturals, for example, 5329 + ... + 13027.

It is an arithmetic number, because the mean of its divisors is an integer number (7155225).

Almost surely, 2^70661422 is an apocalyptic number.

70661422 is a deficient number, since it is larger than the sum of its proper divisors (43822178).

70661422 is a wasteful number, since it uses less digits than its factorization.

70661422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8067.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 70661422 is about 8406.0348559829. The cubic root of 70661422 is about 413.4225147202.

It can be divided in two parts, 706 and 61422, that added together give a triangular number (62128 = T₃₅₂).

The spelling of 70661422 in words is "seventy million, six hundred sixty-one thousand, four hundred twenty-two".