70042210 has 64 divisors (see below), whose sum is σ = 154897920. Its totient is φ = 22256640.

The previous prime is 70042127. The next prime is 70042211. The reversal of 70042210 is 1224007.

It is a super-2 number, since 2×70042210² = 9811822363368200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70042211) 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, 84076 + ... + 84904.

It is an arithmetic number, because the mean of its divisors is an integer number (2420280).

Almost surely, 2^70042210 is an apocalyptic number.

70042210 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70042210 is an abundant number, since it is smaller than the sum of its proper divisors (84855710).

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

70042210 is a wasteful number, since it uses less digits than its factorization.

70042210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 70042210 is about 8369.1224151640. The cubic root of 70042210 is about 412.2113511706.

Adding to 70042210 its reverse (1224007), we get a palindrome (71266217).

The spelling of 70042210 in words is "seventy million, forty-two thousand, two hundred ten".