70533450 has 96 divisors (see below), whose sum is σ = 209361600. Its totient is φ = 17357760.

The previous prime is 70533443. The next prime is 70533457. The reversal of 70533450 is 5433507.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70533443) and next prime (70533457).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (70533457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15541 + ... + 19559.

It is an arithmetic number, because the mean of its divisors is an integer number (2180850).

Almost surely, 2^70533450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70533450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104680800).

70533450 is an abundant number, since it is smaller than the sum of its proper divisors (138828150).

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

70533450 is a wasteful number, since it uses less digits than its factorization.

70533450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053 (or 4042 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 70533450 is about 8398.4194941667. The cubic root of 70533450 is about 413.1727863882.

Adding to 70533450 its reverse (5433507), we get a palindrome (75966957).

The spelling of 70533450 in words is "seventy million, five hundred thirty-three thousand, four hundred fifty".