70234452 has 60 divisors (see below), whose sum is σ = 184578240. Its totient is φ = 23287824.

The previous prime is 70234441. The next prime is 70234453. The reversal of 70234452 is 25443207.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70234453) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 76983 + ... + 77889.

It is an arithmetic number, because the mean of its divisors is an integer number (3076304).

Almost surely, 2^70234452 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 70234452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92289120).

70234452 is an abundant number, since it is smaller than the sum of its proper divisors (114343788).

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

70234452 is a wasteful number, since it uses less digits than its factorization.

70234452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 70234452 is about 8380.5997398754. The cubic root of 70234452 is about 412.5881332346.

Adding to 70234452 its reverse (25443207), we get a palindrome (95677659).

The spelling of 70234452 in words is "seventy million, two hundred thirty-four thousand, four hundred fifty-two".