70672284 has 72 divisors (see below), whose sum is σ = 191691920. Its totient is φ = 22514976.

The previous prime is 70672279. The next prime is 70672289. The reversal of 70672284 is 48227607.

It is an interprime number because it is at equal distance from previous prime (70672279) and next prime (70672289).

It is a super-3 number, since 3×70672284³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70672289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56514 + ... + 57750.

Almost surely, 2^70672284 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 70672284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95845960).

70672284 is an abundant number, since it is smaller than the sum of its proper divisors (121019636).

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

70672284 is a wasteful number, since it uses less digits than its factorization.

70672284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 70672284 is about 8406.6809146060. The cubic root of 70672284 is about 413.4436972606.

The spelling of 70672284 in words is "seventy million, six hundred seventy-two thousand, two hundred eighty-four".