70490147 has 16 divisors (see below), whose sum is σ = 90531840. Its totient is φ = 53345952.

The previous prime is 70490141. The next prime is 70490179. The reversal of 70490147 is 74109407.

It is a cyclic number.

It is not a de Polignac number, because 70490147 - 2⁴ = 70490131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70490141) 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 in 15 ways as a sum of consecutive naturals, for example, 14747 + ... + 18932.

It is an arithmetic number, because the mean of its divisors is an integer number (5658240).

Almost surely, 2^70490147 is an apocalyptic number.

70490147 is a deficient number, since it is larger than the sum of its proper divisors (20041693).

70490147 is a wasteful number, since it uses less digits than its factorization.

70490147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33722.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 70490147 is about 8395.8410537599. The cubic root of 70490147 is about 413.0882152433.

The spelling of 70490147 in words is "seventy million, four hundred ninety thousand, one hundred forty-seven".