70682220 has 240 divisors, whose sum is σ = 265402368. Its totient is φ = 15396480.

The previous prime is 70682207. The next prime is 70682233. The reversal of 70682220 is 2228607.

It is an interprime number because it is at equal distance from previous prime (70682207) and next prime (70682233).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 260685 + ... + 260955.

Almost surely, 2^70682220 is an apocalyptic number.

70682220 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 70682220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132701184).

70682220 is an abundant number, since it is smaller than the sum of its proper divisors (194720148).

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

70682220 is a wasteful number, since it uses less digits than its factorization.

70682220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 70682220 is about 8407.2718523906. The cubic root of 70682220 is about 413.4630720604.

The spelling of 70682220 in words is "seventy million, six hundred eighty-two thousand, two hundred twenty".