70980000 has 360 divisors, whose sum is σ = 288132768. Its totient is φ = 14976000.

The previous prime is 70979989. The next prime is 70980031. The reversal of 70980000 is 8907.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5459994 + ... + 5460006.

Almost surely, 2^70980000 is an apocalyptic number.

70980000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70980000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144066384).

70980000 is an abundant number, since it is smaller than the sum of its proper divisors (217152768).

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

70980000 is a wasteful number, since it uses less digits than its factorization.

70980000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 70980000 is about 8424.9629079302. The cubic root of 70980000 is about 414.0428903731.

Adding to 70980000 its reverse (8907), we get a palindrome (70988907).

The spelling of 70980000 in words is "seventy million, nine hundred eighty thousand".