70669442 has 8 divisors (see below), whose sum is σ = 112239756. Its totient is φ = 33256192.

The previous prime is 70669411. The next prime is 70669451. The reversal of 70669442 is 24496607.

It can be written as a sum of positive squares in 2 ways, for example, as 58690921 + 11978521 = 7661^2 + 3461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 70669396 and 70669405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039223 + ... + 1039290.

Almost surely, 2^70669442 is an apocalyptic number.

70669442 is a deficient number, since it is larger than the sum of its proper divisors (41570314).

70669442 is a wasteful number, since it uses less digits than its factorization.

70669442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078532.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 70669442 is about 8406.5118806792. The cubic root of 70669442 is about 413.4381551410.

The spelling of 70669442 in words is "seventy million, six hundred sixty-nine thousand, four hundred forty-two".