42720969070 has 64 divisors (see below), whose sum is σ = 83710972800. Its totient is φ = 15603199488.

The previous prime is 42720969061. The next prime is 42720969079. The reversal of 42720969070 is 7096902724.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42720969061) and next prime (42720969079).

It is a self number, because there is not a number n which added to its sum of digits gives 42720969070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42720969079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21918456 + ... + 21920404.

It is an arithmetic number, because the mean of its divisors is an integer number (1307983950).

Almost surely, 2^42720969070 is an apocalyptic number.

42720969070 is a deficient number, since it is larger than the sum of its proper divisors (40990003730).

42720969070 is a wasteful number, since it uses less digits than its factorization.

42720969070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 42720969070 in words is "forty-two billion, seven hundred twenty million, nine hundred sixty-nine thousand, seventy".