70740 has 48 divisors (see below), whose sum is σ = 221760. Its totient is φ = 18720.

The previous prime is 70729. The next prime is 70753. The reversal of 70740 is 4707.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

70740 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475 + ... + 605.

It is an arithmetic number, because the mean of its divisors is an integer number (4620).

2⁷⁰⁷⁴⁰ 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 70740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110880).

70740 is an abundant number, since it is smaller than the sum of its proper divisors (151020).

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

70740 is a wasteful number, since it uses less digits than its factorization.

70740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 70740 is about 265.9699231116. The cubic root of 70740 is about 41.3575704769.

It can be divided in two parts, 707 and 40, that added together give a palindrome (747).

The spelling of 70740 in words is "seventy thousand, seven hundred forty", and thus it is an iban number.