42740460 has 120 divisors (see below), whose sum is σ = 153273120. Its totient is φ = 9766656.

The previous prime is 42740449. The next prime is 42740471. The reversal of 42740460 is 6404724.

It is an interprime number because it is at equal distance from previous prime (42740449) and next prime (42740471).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9456 + ... + 13224.

It is an arithmetic number, because the mean of its divisors is an integer number (1277276).

Almost surely, 2^42740460 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 42740460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76636560).

42740460 is an abundant number, since it is smaller than the sum of its proper divisors (110532660).

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

42740460 is a wasteful number, since it uses less digits than its factorization.

42740460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797 (or 3786 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 42740460 is about 6537.6188325720. The cubic root of 42740460 is about 349.6335211623.

The spelling of 42740460 in words is "forty-two million, seven hundred forty thousand, four hundred sixty".