70270812 has 18 divisors (see below), whose sum is σ = 177629088. Its totient is φ = 23423592.

The previous prime is 70270793. The next prime is 70270813. The reversal of 70270812 is 21807207.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70270813) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 975948 + ... + 976019.

Almost surely, 2^70270812 is an apocalyptic number.

It is an amenable number.

70270812 is an abundant number, since it is smaller than the sum of its proper divisors (107358276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70270812 is a wasteful number, since it uses less digits than its factorization.

70270812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951977 (or 1951972 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 70270812 is about 8382.7687550117. The cubic root of 70270812 is about 412.6593191748.

The spelling of 70270812 in words is "seventy million, two hundred seventy thousand, eight hundred twelve".