70288394 has 8 divisors (see below), whose sum is σ = 115017408. Its totient is φ = 31949260.

The previous prime is 70288381. The next prime is 70288397. The reversal of 70288394 is 49388207.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70288397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1597442 + ... + 1597485.

It is an arithmetic number, because the mean of its divisors is an integer number (14377176).

Almost surely, 2^70288394 is an apocalyptic number.

70288394 is a deficient number, since it is larger than the sum of its proper divisors (44729014).

70288394 is a wasteful number, since it uses less digits than its factorization.

70288394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194940.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 70288394 is about 8383.8173882784. The cubic root of 70288394 is about 412.6937325674.

The spelling of 70288394 in words is "seventy million, two hundred eighty-eight thousand, three hundred ninety-four".