70408000 has 112 divisors (see below), whose sum is σ = 188055504. Its totient is φ = 25958400.

The previous prime is 70407983. The next prime is 70408001. The reversal of 70408000 is 80407.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13133376 + 57274624 = 3624^2 + 7568^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70408001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103662 + ... + 104338.

It is an arithmetic number, because the mean of its divisors is an integer number (1679067).

Almost surely, 2^70408000 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 70408000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94027752).

70408000 is an abundant number, since it is smaller than the sum of its proper divisors (117647504).

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

70408000 is a wasteful number, since it uses less digits than its factorization.

70408000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 70408000 is about 8390.9475031131. The cubic root of 70408000 is about 412.9276861979.

Adding to 70408000 its reverse (80407), we get a palindrome (70488407).

The spelling of 70408000 in words is "seventy million, four hundred eight thousand".