70790000 has 50 divisors (see below), whose sum is σ = 171413880. Its totient is φ = 28312000.

The previous prime is 70789993. The next prime is 70790003. The reversal of 70790000 is 9707.

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×70790000² = 10022448200000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70790003) 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 9 ways as a sum of consecutive naturals, for example, 6461 + ... + 13539.

Almost surely, 2^70790000 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 70790000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85706940).

70790000 is an abundant number, since it is smaller than the sum of its proper divisors (100623880).

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

70790000 is an equidigital number, since it uses as much as digits as its factorization.

70790000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7107 (or 7086 counting only the distinct ones).

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 70790000 is about 8413.6793378403. The cubic root of 70790000 is about 413.6731221427.

Adding to 70790000 its reverse (9707), we get a palindrome (70799707).

The spelling of 70790000 in words is "seventy million, seven hundred ninety thousand".