70238412 has 72 divisors (see below), whose sum is σ = 189876960. Its totient is φ = 21838080.

The previous prime is 70238411. The next prime is 70238423. The reversal of 70238412 is 21483207.

It is not an unprimeable number, because it can be changed into a prime (70238411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32914 + ... + 34982.

It is an arithmetic number, because the mean of its divisors is an integer number (2637180).

Almost surely, 2^70238412 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 70238412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94938480).

70238412 is an abundant number, since it is smaller than the sum of its proper divisors (119638548).

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

70238412 is a wasteful number, since it uses less digits than its factorization.

70238412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143 (or 2138 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 70238412 is about 8380.8359964863. The cubic root of 70238412 is about 412.5958873507.

The spelling of 70238412 in words is "seventy million, two hundred thirty-eight thousand, four hundred twelve".