70740306 has 96 divisors (see below), whose sum is σ = 198656640. Its totient is φ = 17667072.

The previous prime is 70740301. The next prime is 70740317. The reversal of 70740306 is 60304707.

It is a self number, because there is not a number n which added to its sum of digits gives 70740306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70740301) 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 47 ways as a sum of consecutive naturals, for example, 29986 + ... + 32258.

It is an arithmetic number, because the mean of its divisors is an integer number (2069340).

Almost surely, 2^70740306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70740306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99328320).

70740306 is an abundant number, since it is smaller than the sum of its proper divisors (127916334).

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

70740306 is a wasteful number, since it uses less digits than its factorization.

70740306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320 (or 2317 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 70740306 is about 8410.7256524036. The cubic root of 70740306 is about 413.5763011025.

The spelling of 70740306 in words is "seventy million, seven hundred forty thousand, three hundred six".