70458228 has 48 divisors (see below), whose sum is σ = 183173760. Its totient is φ = 23421312.

The previous prime is 70458187. The next prime is 70458247. The reversal of 70458228 is 82285407.

It is a happy number.

70458228 is a `hidden beast` number, since 70 + 4 + 582 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 70458192 and 70458201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53676 + ... + 54972.

It is an arithmetic number, because the mean of its divisors is an integer number (3816120).

Almost surely, 2^70458228 is an apocalyptic number.

It is an amenable number.

70458228 is an abundant number, since it is smaller than the sum of its proper divisors (112715532).

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

70458228 is a wasteful number, since it uses less digits than its factorization.

70458228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813 (or 1805 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 70458228 is about 8393.9399568975. The cubic root of 70458228 is about 413.0258549751.

The spelling of 70458228 in words is "seventy million, four hundred fifty-eight thousand, two hundred twenty-eight".