70275450 has 192 divisors, whose sum is σ = 219414528. Its totient is φ = 14515200.

The previous prime is 70275427. The next prime is 70275463. The reversal of 70275450 is 5457207.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 553287 + ... + 553413.

It is an arithmetic number, because the mean of its divisors is an integer number (1142784).

Almost surely, 2^70275450 is an apocalyptic number.

70275450 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70275450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109707264).

70275450 is an abundant number, since it is smaller than the sum of its proper divisors (149139078).

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

70275450 is a wasteful number, since it uses less digits than its factorization.

70275450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 70275450 is about 8383.0453893558. The cubic root of 70275450 is about 412.6683977275.

The spelling of 70275450 in words is "seventy million, two hundred seventy-five thousand, four hundred fifty".