70940544 has 64 divisors (see below), whose sum is σ = 193567440. Its totient is φ = 23003136.

The previous prime is 70940543. The next prime is 70940557. The reversal of 70940544 is 44504907.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70940543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11712 + ... + 16704.

Almost surely, 2^70940544 is an apocalyptic number.

70940544 is a gapful number since it is divisible by the number (74) 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 70940544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96783720).

70940544 is an abundant number, since it is smaller than the sum of its proper divisors (122626896).

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

70940544 is a wasteful number, since it uses less digits than its factorization.

70940544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5047 (or 5035 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 70940544 is about 8422.6209697457. The cubic root of 70940544 is about 413.9661574707.

The spelling of 70940544 in words is "seventy million, nine hundred forty thousand, five hundred forty-four".