70651140 has 96 divisors (see below), whose sum is σ = 230764800. Its totient is φ = 16144128.

The previous prime is 70651129. The next prime is 70651183. The reversal of 70651140 is 4115607.

It is a self number, because there is not a number n which added to its sum of digits gives 70651140.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18864 + ... + 22296.

It is an arithmetic number, because the mean of its divisors is an integer number (2403800).

Almost surely, 2^70651140 is an apocalyptic number.

70651140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70651140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115382400).

70651140 is an abundant number, since it is smaller than the sum of its proper divisors (160113660).

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

70651140 is a wasteful number, since it uses less digits than its factorization.

70651140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466 (or 3450 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 70651140 is about 8405.4232493076. The cubic root of 70651140 is about 413.4024612673.

Adding to 70651140 its reverse (4115607), we get a palindrome (74766747).

The spelling of 70651140 in words is "seventy million, six hundred fifty-one thousand, one hundred forty".