70420718 has 8 divisors (see below), whose sum is σ = 107362920. Its totient is φ = 34633080.

The previous prime is 70420709. The next prime is 70420741. The reversal of 70420718 is 81702407.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288488 + ... + 288731.

It is an arithmetic number, because the mean of its divisors is an integer number (13420365).

Almost surely, 2^70420718 is an apocalyptic number.

70420718 is a deficient number, since it is larger than the sum of its proper divisors (36942202).

70420718 is a wasteful number, since it uses less digits than its factorization.

70420718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577282.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 70420718 is about 8391.7053094112. The cubic root of 70420718 is about 412.9525474738.

The spelling of 70420718 in words is "seventy million, four hundred twenty thousand, seven hundred eighteen".