70494600 has 144 divisors (see below), whose sum is σ = 240453360. Its totient is φ = 17072000.

The previous prime is 70494569. The next prime is 70494607. The reversal of 70494600 is 649407.

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

It is not an unprimeable number, because it can be changed into a prime (70494607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72115 + ... + 73085.

It is an arithmetic number, because the mean of its divisors is an integer number (1669815).

Almost surely, 2^70494600 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 70494600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120226680).

70494600 is an abundant number, since it is smaller than the sum of its proper divisors (169958760).

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

70494600 is a wasteful number, since it uses less digits than its factorization.

70494600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 70494600 is about 8396.1062403950. The cubic root of 70494600 is about 413.0969135894.

The spelling of 70494600 in words is "seventy million, four hundred ninety-four thousand, six hundred".