70098912 has 144 divisors (see below), whose sum is σ = 223004880. Its totient is φ = 21295872.

The previous prime is 70098911. The next prime is 70098937. The reversal of 70098912 is 21989007.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×70098912³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70098911) 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, 887289 + ... + 887367.

It is an arithmetic number, because the mean of its divisors is an integer number (1548645).

Almost surely, 2^70098912 is an apocalyptic number.

70098912 is a gapful number since it is divisible by the number (72) 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 70098912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111502440).

70098912 is an abundant number, since it is smaller than the sum of its proper divisors (152905968).

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

70098912 is a wasteful number, since it uses less digits than its factorization.

70098912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 70098912 is about 8372.5093012788. The cubic root of 70098912 is about 412.3225550845.

The spelling of 70098912 in words is "seventy million, ninety-eight thousand, nine hundred twelve".