70720486 has 16 divisors (see below), whose sum is σ = 109980288. Its totient is φ = 34070400.

The previous prime is 70720483. The next prime is 70720499. The reversal of 70720486 is 68402707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70720483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12576 + ... + 17308.

It is an arithmetic number, because the mean of its divisors is an integer number (6873768).

Almost surely, 2^70720486 is an apocalyptic number.

70720486 is a deficient number, since it is larger than the sum of its proper divisors (39259802).

70720486 is a wasteful number, since it uses less digits than its factorization.

70720486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 70720486 is about 8409.5473124301. The cubic root of 70720486 is about 413.5376722621.

The spelling of 70720486 in words is "seventy million, seven hundred twenty thousand, four hundred eighty-six".