70124250 has 192 divisors, whose sum is σ = 216822528. Its totient is φ = 14774400.

The previous prime is 70124209. The next prime is 70124251. The reversal of 70124250 is 5242107.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (70124251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1895232 + ... + 1895268.

It is an arithmetic number, because the mean of its divisors is an integer number (1129284).

Almost surely, 2^70124250 is an apocalyptic number.

70124250 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70124250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108411264).

70124250 is an abundant number, since it is smaller than the sum of its proper divisors (146698278).

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

70124250 is a wasteful number, since it uses less digits than its factorization.

70124250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 70124250 is about 8374.0223309948. The cubic root of 70124250 is about 412.3722285629.

Adding to 70124250 its reverse (5242107), we get a palindrome (75366357).

The spelling of 70124250 in words is "seventy million, one hundred twenty-four thousand, two hundred fifty".