42710740 has 12 divisors (see below), whose sum is σ = 89692596. Its totient is φ = 17084288.

The previous prime is 42710737. The next prime is 42710741. The reversal of 42710740 is 4701724.

It can be written as a sum of positive squares in 2 ways, for example, as 27060804 + 15649936 = 5202^2 + 3956^2 .

It is a super-2 number, since 2×42710740² = 3648414622695200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42710741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067749 + ... + 1067788.

It is an arithmetic number, because the mean of its divisors is an integer number (7474383).

Almost surely, 2^42710740 is an apocalyptic number.

It is an amenable number.

42710740 is an abundant number, since it is smaller than the sum of its proper divisors (46981856).

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

42710740 is a wasteful number, since it uses less digits than its factorization.

42710740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135546 (or 2135544 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 42710740 is about 6535.3454384600. The cubic root of 42710740 is about 349.5524619996.

The spelling of 42710740 in words is "forty-two million, seven hundred ten thousand, seven hundred forty".