70898670 has 96 divisors (see below), whose sum is σ = 197121600. Its totient is φ = 17617920.

The previous prime is 70898657. The next prime is 70898677. The reversal of 70898670 is 7689807.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70898677) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227815 + ... + 228125.

It is an arithmetic number, because the mean of its divisors is an integer number (2053350).

Almost surely, 2^70898670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70898670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98560800).

70898670 is an abundant number, since it is smaller than the sum of its proper divisors (126222930).

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

70898670 is a wasteful number, since it uses less digits than its factorization.

70898670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 70898670 is about 8420.1347970208. The cubic root of 70898670 is about 413.8846909840.

The spelling of 70898670 in words is "seventy million, eight hundred ninety-eight thousand, six hundred seventy".