70227648 has 280 divisors, whose sum is σ = 236037120. Its totient is φ = 20528640.

The previous prime is 70227637. The next prime is 70227649. The reversal of 70227648 is 84672207.

70227648 is a `hidden beast` number, since 7 + 0 + 2 + 2 + 7 + 648 = 666.

It is a super-2 number, since 2×70227648² = 9863845087223808, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (70227649) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2265393 + ... + 2265423.

Almost surely, 2^70227648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70227648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118018560).

70227648 is an abundant number, since it is smaller than the sum of its proper divisors (165809472).

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

70227648 is a wasteful number, since it uses less digits than its factorization.

70227648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 70227648 is about 8380.1937925086. The cubic root of 70227648 is about 412.5748095725.

The spelling of 70227648 in words is "seventy million, two hundred twenty-seven thousand, six hundred forty-eight".