70525210 has 48 divisors (see below), whose sum is σ = 148745376. Its totient is φ = 24004512.

The previous prime is 70525201. The next prime is 70525229. The reversal of 70525210 is 1252507.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79429 + ... + 80311.

It is an arithmetic number, because the mean of its divisors is an integer number (3098862).

Almost surely, 2^70525210 is an apocalyptic number.

70525210 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70525210 is an abundant number, since it is smaller than the sum of its proper divisors (78220166).

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

70525210 is a wasteful number, since it uses less digits than its factorization.

70525210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 70525210 is about 8397.9289113447. The cubic root of 70525210 is about 413.1566962619.

Adding to 70525210 its reverse (1252507), we get a palindrome (71777717).

The spelling of 70525210 in words is "seventy million, five hundred twenty-five thousand, two hundred ten".