70603040 has 96 divisors (see below), whose sum is σ = 179054064. Its totient is φ = 26214400.

The previous prime is 70603021. The next prime is 70603063. The reversal of 70603040 is 4030607.

It can be written as a sum of positive squares in 8 ways, for example, as 70090384 + 512656 = 8372^2 + 716^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274592 + ... + 274848.

Almost surely, 2^70603040 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 70603040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89527032).

70603040 is an abundant number, since it is smaller than the sum of its proper divisors (108451024).

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

70603040 is a wasteful number, since it uses less digits than its factorization.

70603040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 70603040 is about 8402.5615142051. The cubic root of 70603040 is about 413.3086237975.

Adding to 70603040 its reverse (4030607), we get a palindrome (74633647).

The spelling of 70603040 in words is "seventy million, six hundred three thousand, forty".