70081200 has 360 divisors, whose sum is σ = 291036928. Its totient is φ = 15863040.

The previous prime is 70081199. The next prime is 70081237. The reversal of 70081200 is 218007.

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-2 number, since 2×70081200² = 9822749186880000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 680349 + ... + 680451.

Almost surely, 2^70081200 is an apocalyptic number.

70081200 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70081200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145518464).

70081200 is an abundant number, since it is smaller than the sum of its proper divisors (220955728).

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

70081200 is a wasteful number, since it uses less digits than its factorization.

70081200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 70081200 is about 8371.4514870481. The cubic root of 70081200 is about 412.2878247677.

Adding to 70081200 its reverse (218007), we get a palindrome (70299207).

The spelling of 70081200 in words is "seventy million, eighty-one thousand, two hundred".