70338816 has 54 divisors (see below), whose sum is σ = 202810790. Its totient is φ = 23445504.

The previous prime is 70338799. The next prime is 70338839. The reversal of 70338816 is 61883307.

It can be written as a sum of positive squares in only one way, i.e., 37161216 + 33177600 = 6096^2 + 5760^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 5 ways as a sum of consecutive naturals, for example, 12961 + ... + 17568.

Almost surely, 2^70338816 is an apocalyptic number.

It is an amenable number.

70338816 is an abundant number, since it is smaller than the sum of its proper divisors (132471974).

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

70338816 is a wasteful number, since it uses less digits than its factorization.

70338816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30551 (or 30534 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 70338816 is about 8386.8239518903. The cubic root of 70338816 is about 412.7923921439.

The spelling of 70338816 in words is "seventy million, three hundred thirty-eight thousand, eight hundred sixteen".