70198500 has 96 divisors (see below), whose sum is σ = 208510848. Its totient is φ = 18345600.

The previous prime is 70198487. The next prime is 70198511. The reversal of 70198500 is 589107.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79059 + ... + 79941.

It is an arithmetic number, because the mean of its divisors is an integer number (2171988).

Almost surely, 2^70198500 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 70198500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104255424).

70198500 is an abundant number, since it is smaller than the sum of its proper divisors (138312348).

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

70198500 is a wasteful number, since it uses less digits than its factorization.

70198500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 70198500 is about 8378.4545114239. The cubic root of 70198500 is about 412.5177219200.

The spelling of 70198500 in words is "seventy million, one hundred ninety-eight thousand, five hundred".