70720298 has 8 divisors (see below), whose sum is σ = 115724160. Its totient is φ = 32145580.

The previous prime is 70720297. The next prime is 70720303. The reversal of 70720298 is 89202707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (70720297) 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 3 ways as a sum of consecutive naturals, for example, 1607258 + ... + 1607301.

It is an arithmetic number, because the mean of its divisors is an integer number (14465520).

Almost surely, 2^70720298 is an apocalyptic number.

70720298 is a deficient number, since it is larger than the sum of its proper divisors (45003862).

70720298 is a wasteful number, since it uses less digits than its factorization.

70720298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214572.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 70720298 is about 8409.5361346509. The cubic root of 70720298 is about 413.5373058188.

The spelling of 70720298 in words is "seventy million, seven hundred twenty thousand, two hundred ninety-eight".