70213950 has 72 divisors (see below), whose sum is σ = 189609888. Its totient is φ = 18627840.

The previous prime is 70213939. The next prime is 70214041. The reversal of 70213950 is 5931207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 151419 + ... + 151881.

Almost surely, 2^70213950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70213950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94804944).

70213950 is an abundant number, since it is smaller than the sum of its proper divisors (119395938).

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

70213950 is a wasteful number, since it uses less digits than its factorization.

70213950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 70213950 is about 8379.3764684492. The cubic root of 70213950 is about 412.5479833989.

The spelling of 70213950 in words is "seventy million, two hundred thirteen thousand, nine hundred fifty".