70501470 has 32 divisors (see below), whose sum is σ = 182220192. Its totient is φ = 17354112.

The previous prime is 70501451. The next prime is 70501481. The reversal of 70501470 is 7410507.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70501470.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 89997 + ... + 90776.

It is an arithmetic number, because the mean of its divisors is an integer number (5694381).

Almost surely, 2^70501470 is an apocalyptic number.

70501470 is an abundant number, since it is smaller than the sum of its proper divisors (111718722).

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

70501470 is a wasteful number, since it uses less digits than its factorization.

70501470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180796.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 70501470 is about 8396.5153486432. The cubic root of 70501470 is about 413.1103325067.

Adding to 70501470 its reverse (7410507), we get a palindrome (77911977).

The spelling of 70501470 in words is "seventy million, five hundred one thousand, four hundred seventy".