70407016 has 8 divisors (see below), whose sum is σ = 132013170. Its totient is φ = 35203504.

The previous prime is 70406977. The next prime is 70407019. The reversal of 70407016 is 61070407.

It can be written as a sum of positive squares in only one way, i.e., 36650916 + 33756100 = 6054^2 + 5810^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (70407019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4400431 + ... + 4400446.

Almost surely, 2^70407016 is an apocalyptic number.

It is an amenable number.

70407016 is a deficient number, since it is larger than the sum of its proper divisors (61606154).

70407016 is a wasteful number, since it uses less digits than its factorization.

70407016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8800883 (or 8800879 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 70407016 is about 8390.8888682904. Note that the first 4 decimals coincide. The cubic root of 70407016 is about 412.9257625400.

The spelling of 70407016 in words is "seventy million, four hundred seven thousand, sixteen".