70066746 has 24 divisors (see below), whose sum is σ = 151968960. Its totient is φ = 23331336.

The previous prime is 70066723. The next prime is 70066747. The reversal of 70066746 is 64766007.

It is a self number, because there is not a number n which added to its sum of digits gives 70066746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70066747) 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 11 ways as a sum of consecutive naturals, for example, 27265 + ... + 29723.

It is an arithmetic number, because the mean of its divisors is an integer number (6332040).

Almost surely, 2^70066746 is an apocalyptic number.

70066746 is an abundant number, since it is smaller than the sum of its proper divisors (81902214).

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

70066746 is a wasteful number, since it uses less digits than its factorization.

70066746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050 (or 4047 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 70066746 is about 8370.5881513786. The cubic root of 70066746 is about 412.2594785162.

The spelling of 70066746 in words is "seventy million, sixty-six thousand, seven hundred forty-six".