70663452 has 48 divisors (see below), whose sum is σ = 172730880. Its totient is φ = 22441408.

The previous prime is 70663423. The next prime is 70663487. The reversal of 70663452 is 25436607.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 138574 + ... + 139082.

It is an arithmetic number, because the mean of its divisors is an integer number (3598560).

Almost surely, 2^70663452 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 70663452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86365440).

70663452 is an abundant number, since it is smaller than the sum of its proper divisors (102067428).

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

70663452 is a wasteful number, since it uses less digits than its factorization.

70663452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 70663452 is about 8406.1556017005. The cubic root of 70663452 is about 413.4264736917.

The spelling of 70663452 in words is "seventy million, six hundred sixty-three thousand, four hundred fifty-two".