70210490 has 32 divisors (see below), whose sum is σ = 150716160. Its totient is φ = 23025024.

The previous prime is 70210489. The next prime is 70210507. The reversal of 70210490 is 9401207.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20195 + ... + 23414.

It is an arithmetic number, because the mean of its divisors is an integer number (4709880).

Almost surely, 2^70210490 is an apocalyptic number.

70210490 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70210490 is an abundant number, since it is smaller than the sum of its proper divisors (80505670).

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

70210490 is a wasteful number, since it uses less digits than its factorization.

70210490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43646.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 70210490 is about 8379.1700066295. The cubic root of 70210490 is about 412.5412067803.

Adding to 70210490 its reverse (9401207), we get a palindrome (79611697).

The spelling of 70210490 in words is "seventy million, two hundred ten thousand, four hundred ninety".