70235400 has 192 divisors, whose sum is σ = 235252800. Its totient is φ = 17280000.

The previous prime is 70235317. The next prime is 70235413. The reversal of 70235400 is 453207.

It is a happy number.

It is a super-2 number, since 2×70235400² = 9866022826320000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 695350 + ... + 695450.

It is an arithmetic number, because the mean of its divisors is an integer number (1225275).

Almost surely, 2^70235400 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 70235400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117626400).

70235400 is an abundant number, since it is smaller than the sum of its proper divisors (165017400).

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

70235400 is a wasteful number, since it uses less digits than its factorization.

70235400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 70235400 is about 8380.6562988826. The cubic root of 70235400 is about 412.5899895495.

Adding to 70235400 its reverse (453207), we get a palindrome (70688607).

The spelling of 70235400 in words is "seventy million, two hundred thirty-five thousand, four hundred".