70789000 has 64 divisors (see below), whose sum is σ = 171428400. Its totient is φ = 27328000.

The previous prime is 70788997. The next prime is 70789007. The reversal of 70789000 is 98707.

It can be written as a sum of positive squares in 8 ways, for example, as 128164 + 70660836 = 358^2 + 8406^2 .

It is a super-2 number, since 2×70789000² = 10022165042000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70789007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27780 + ... + 30220.

Almost surely, 2^70789000 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 70789000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85714200).

70789000 is an abundant number, since it is smaller than the sum of its proper divisors (100639400).

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

70789000 is a wasteful number, since it uses less digits than its factorization.

70789000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491 (or 2477 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 70789000 is about 8413.6199105973. The cubic root of 70789000 is about 413.6711742448.

The spelling of 70789000 in words is "seventy million, seven hundred eighty-nine thousand".