70490228 has 24 divisors (see below), whose sum is σ = 137491200. Its totient is φ = 31425408.

The previous prime is 70490227. The next prime is 70490243. The reversal of 70490228 is 82209407.

It is a junction number, because it is equal to n+sod(n) for n = 70490194 and 70490203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70490221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25988 + ... + 28571.

It is an arithmetic number, because the mean of its divisors is an integer number (5728800).

Almost surely, 2^70490228 is an apocalyptic number.

It is an amenable number.

70490228 is a deficient number, since it is larger than the sum of its proper divisors (67000972).

70490228 is a wasteful number, since it uses less digits than its factorization.

70490228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54599 (or 54597 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 70490228 is about 8395.8458775754. The cubic root of 70490228 is about 413.0883734694.

The spelling of 70490228 in words is "seventy million, four hundred ninety thousand, two hundred twenty-eight".