70872912 has 120 divisors (see below), whose sum is σ = 219012768. Its totient is φ = 21216000.

The previous prime is 70872899. The next prime is 70872929. The reversal of 70872912 is 21927807.

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

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, 159763 + ... + 160205.

Almost surely, 2^70872912 is an apocalyptic number.

70872912 is a gapful number since it is divisible by the number (72) 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 70872912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109506384).

70872912 is an abundant number, since it is smaller than the sum of its proper divisors (148139856).

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

70872912 is a wasteful number, since it uses less digits than its factorization.

70872912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 70872912 is about 8418.6051101118. The cubic root of 70872912 is about 413.8345624782.

It can be divided in two parts, 7087 and 2912, that added together give a palindrome (9999).

The spelling of 70872912 in words is "seventy million, eight hundred seventy-two thousand, nine hundred twelve".