70202142 has 24 divisors (see below), whose sum is σ = 152474400. Its totient is φ = 23343840.

The previous prime is 70202123. The next prime is 70202177. The reversal of 70202142 is 24120207.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3234 + ... + 12282.

It is an arithmetic number, because the mean of its divisors is an integer number (6353100).

Almost surely, 2^70202142 is an apocalyptic number.

70202142 is an abundant number, since it is smaller than the sum of its proper divisors (82272258).

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

70202142 is a wasteful number, since it uses less digits than its factorization.

70202142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9488 (or 9485 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 70202142 is about 8378.6718517913. The cubic root of 70202142 is about 412.5248558025.

Adding to 70202142 its reverse (24120207), we get a palindrome (94322349).

The spelling of 70202142 in words is "seventy million, two hundred two thousand, one hundred forty-two".