70067072 has 16 divisors (see below), whose sum is σ = 139587000. Its totient is φ = 35033472.

The previous prime is 70067071. The next prime is 70067191. The reversal of 70067072 is 27076007.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70067071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273572 + ... + 273827.

Almost surely, 2^70067072 is an apocalyptic number.

It is an amenable number.

70067072 is a deficient number, since it is larger than the sum of its proper divisors (69519928).

70067072 is an equidigital number, since it uses as much as digits as its factorization.

70067072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547413 (or 547401 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 70067072 is about 8370.6076243006. The cubic root of 70067072 is about 412.2601178893.

The spelling of 70067072 in words is "seventy million, sixty-seven thousand, seventy-two".