70433312 has 48 divisors (see below), whose sum is σ = 150286752. Its totient is φ = 32363520.

The previous prime is 70433309. The next prime is 70433327. The reversal of 70433312 is 21333407.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21887 + ... + 24897.

It is an arithmetic number, because the mean of its divisors is an integer number (3130974).

Almost surely, 2^70433312 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 70433312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75143376).

70433312 is an abundant number, since it is smaller than the sum of its proper divisors (79853440).

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

70433312 is a wasteful number, since it uses less digits than its factorization.

70433312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3081 (or 3073 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 70433312 is about 8392.4556596982. The cubic root of 70433312 is about 412.9771634038.

Adding to 70433312 its reverse (21333407), we get a palindrome (91766719).

The spelling of 70433312 in words is "seventy million, four hundred thirty-three thousand, three hundred twelve".