70709774 has 8 divisors (see below), whose sum is σ = 110676240. Its totient is φ = 33817696.

The previous prime is 70709767. The next prime is 70709813. The reversal of 70709774 is 47790707.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 768539 + ... + 768630.

It is an arithmetic number, because the mean of its divisors is an integer number (13834530).

Almost surely, 2^70709774 is an apocalyptic number.

70709774 is a deficient number, since it is larger than the sum of its proper divisors (39966466).

70709774 is a wasteful number, since it uses less digits than its factorization.

70709774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537194.

The product of its (nonzero) digits is 86436, while the sum is 41.

The square root of 70709774 is about 8408.9103931484. The cubic root of 70709774 is about 413.5167917532.

The spelling of 70709774 in words is "seventy million, seven hundred nine thousand, seven hundred seventy-four".