70790900 has 72 divisors (see below), whose sum is σ = 159718944. Its totient is φ = 27216000.

The previous prime is 70790899. The next prime is 70790911. The reversal of 70790900 is 909707.

It is a super-2 number, since 2×70790900² = 10022703045620000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 434219 + ... + 434381.

Almost surely, 2^70790900 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 70790900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79859472).

70790900 is an abundant number, since it is smaller than the sum of its proper divisors (88928044).

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

70790900 is a wasteful number, since it uses less digits than its factorization.

70790900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 3969, while the sum is 32.

The square root of 70790900 is about 8413.7328220000. The cubic root of 70790900 is about 413.6748752351.

The spelling of 70790900 in words is "seventy million, seven hundred ninety thousand, nine hundred".