70871010 has 64 divisors (see below), whose sum is σ = 195243264. Its totient is φ = 16128000.

The previous prime is 70870997. The next prime is 70871023. The reversal of 70871010 is 1017807.

It is an interprime number because it is at equal distance from previous prime (70870997) and next prime (70871023).

It is a Curzon number.

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, 58410 + ... + 59610.

It is an arithmetic number, because the mean of its divisors is an integer number (3050676).

Almost surely, 2^70871010 is an apocalyptic number.

70871010 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70871010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97621632).

70871010 is an abundant number, since it is smaller than the sum of its proper divisors (124372254).

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

70871010 is a wasteful number, since it uses less digits than its factorization.

70871010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499.

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 70871010 is about 8418.4921452716. The cubic root of 70871010 is about 413.8308604508.

Adding to 70871010 its reverse (1017807), we get a palindrome (71888817).

The spelling of 70871010 in words is "seventy million, eight hundred seventy-one thousand, ten".