70347470 has 16 divisors (see below), whose sum is σ = 128772720. Its totient is φ = 27661824.

The previous prime is 70347449. The next prime is 70347517. The reversal of 70347470 is 7474307.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

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, 59027 + ... + 60206.

It is an arithmetic number, because the mean of its divisors is an integer number (8048295).

Almost surely, 2^70347470 is an apocalyptic number.

70347470 is a deficient number, since it is larger than the sum of its proper divisors (58425250).

70347470 is a wasteful number, since it uses less digits than its factorization.

70347470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119299.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 70347470 is about 8387.3398643432. The cubic root of 70347470 is about 412.8093204872.

The spelling of 70347470 in words is "seventy million, three hundred forty-seven thousand, four hundred seventy".