70213124 has 12 divisors (see below), whose sum is σ = 126194124. Its totient is φ = 34157664.

The previous prime is 70213123. The next prime is 70213133. The reversal of 70213124 is 42131207.

It can be written as a sum of positive squares in 2 ways, for example, as 50694400 + 19518724 = 7120^2 + 4418^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70213096 and 70213105.

It is not an unprimeable number, because it can be changed into a prime (70213123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237059 + ... + 237354.

It is an arithmetic number, because the mean of its divisors is an integer number (10516177).

Almost surely, 2^70213124 is an apocalyptic number.

70213124 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

70213124 is a deficient number, since it is larger than the sum of its proper divisors (55981000).

70213124 is a wasteful number, since it uses less digits than its factorization.

70213124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474454 (or 474452 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 70213124 is about 8379.3271806273. The cubic root of 70213124 is about 412.5463656483.

The spelling of 70213124 in words is "seventy million, two hundred thirteen thousand, one hundred twenty-four".