70323456 has 144 divisors (see below), whose sum is σ = 217677824. Its totient is φ = 19740672.

The previous prime is 70323431. The next prime is 70323467. The reversal of 70323456 is 65432307.

It is a super-3 number, since 3×70323456³ (a number of 25 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553665 + ... + 553791.

Almost surely, 2^70323456 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 70323456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108838912).

70323456 is an abundant number, since it is smaller than the sum of its proper divisors (147354368).

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

70323456 is a wasteful number, since it uses less digits than its factorization.

70323456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 70323456 is about 8385.9081797978. The cubic root of 70323456 is about 412.7623425777.

The spelling of 70323456 in words is "seventy million, three hundred twenty-three thousand, four hundred fifty-six".