70204650 has 48 divisors (see below), whose sum is σ = 180122400. Its totient is φ = 18074560.

The previous prime is 70204649. The next prime is 70204657. The reversal of 70204650 is 5640207.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 70204650.

It is not an unprimeable number, because it can be changed into a prime (70204657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3720 + ... + 12419.

It is an arithmetic number, because the mean of its divisors is an integer number (3752550).

Almost surely, 2^70204650 is an apocalyptic number.

70204650 is an abundant number, since it is smaller than the sum of its proper divisors (109917750).

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

70204650 is a wasteful number, since it uses less digits than its factorization.

70204650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16183 (or 16178 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 70204650 is about 8378.8215161799. The cubic root of 70204650 is about 412.5297682833.

Adding to 70204650 its reverse (5640207), we get a palindrome (75844857).

The spelling of 70204650 in words is "seventy million, two hundred four thousand, six hundred fifty".