70920612 has 36 divisors (see below), whose sum is σ = 204882496. Its totient is φ = 20262960.

The previous prime is 70920599. The next prime is 70920643. The reversal of 70920612 is 21602907.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 140464 + ... + 140967.

Almost surely, 2^70920612 is an apocalyptic number.

It is an amenable number.

70920612 is an abundant number, since it is smaller than the sum of its proper divisors (133961884).

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

70920612 is a wasteful number, since it uses less digits than its factorization.

70920612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281448 (or 281443 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 70920612 is about 8421.4376444880. The cubic root of 70920612 is about 413.9273834689.

It can be divided in two parts, 709 and 20612, that added together give a triangular number (21321 = T₂₀₆).

The spelling of 70920612 in words is "seventy million, nine hundred twenty thousand, six hundred twelve".