70674440 has 96 divisors (see below), whose sum is σ = 176246280. Its totient is φ = 25399296.

The previous prime is 70674419. The next prime is 70674467. The reversal of 70674440 is 4447607.

It can be written as a sum of positive squares in 12 ways, for example, as 45131524 + 25542916 = 6718^2 + 5054^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70674397 and 70674406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1333454 + ... + 1333506.

Almost surely, 2^70674440 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 70674440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88123140).

70674440 is an abundant number, since it is smaller than the sum of its proper divisors (105571840).

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

70674440 is a wasteful number, since it uses less digits than its factorization.

70674440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 70674440 is about 8406.8091449729. The cubic root of 70674440 is about 413.4479015280.

The spelling of 70674440 in words is "seventy million, six hundred seventy-four thousand, four hundred forty".