70650540 has 36 divisors (see below), whose sum is σ = 214307184. Its totient is φ = 18840096.

The previous prime is 70650539. The next prime is 70650563. The reversal of 70650540 is 4505607.

70650540 is a `hidden beast` number, since 7 + 0 + 650 + 5 + 4 + 0 = 666.

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, 196072 + ... + 196431.

Almost surely, 2^70650540 is an apocalyptic number.

It is an amenable number.

70650540 is an abundant number, since it is smaller than the sum of its proper divisors (143656644).

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

70650540 is a wasteful number, since it uses less digits than its factorization.

70650540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392518 (or 392513 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 70650540 is about 8405.3875579892. The cubic root of 70650540 is about 413.4012909999.

The spelling of 70650540 in words is "seventy million, six hundred fifty thousand, five hundred forty".