70214070 has 64 divisors (see below), whose sum is σ = 175878144. Its totient is φ = 17919360.

The previous prime is 70214047. The next prime is 70214077. The reversal of 70214070 is 7041207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70214077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95424 + ... + 96156.

It is an arithmetic number, because the mean of its divisors is an integer number (2748096).

Almost surely, 2^70214070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70214070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87939072).

70214070 is an abundant number, since it is smaller than the sum of its proper divisors (105664074).

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

70214070 is a wasteful number, since it uses less digits than its factorization.

70214070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 70214070 is about 8379.3836288835. The cubic root of 70214070 is about 412.5482184221.

Adding to 70214070 its reverse (7041207), we get a palindrome (77255277).

The spelling of 70214070 in words is "seventy million, two hundred fourteen thousand, seventy".