70324240 has 160 divisors (see below), whose sum is σ = 202487040. Its totient is φ = 22167552.

The previous prime is 70324211. The next prime is 70324249. The reversal of 70324240 is 4242307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70324249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 790116 + ... + 790204.

It is an arithmetic number, because the mean of its divisors is an integer number (1265544).

Almost surely, 2^70324240 is an apocalyptic number.

70324240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70324240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101243520).

70324240 is an abundant number, since it is smaller than the sum of its proper divisors (132162800).

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

70324240 is a wasteful number, since it uses less digits than its factorization.

70324240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 70324240 is about 8385.9549247537. The cubic root of 70324240 is about 412.7638764636.

Adding to 70324240 its reverse (4242307), we get a palindrome (74566547).

The spelling of 70324240 in words is "seventy million, three hundred twenty-four thousand, two hundred forty".