42597660 has 72 divisors (see below), whose sum is σ = 138756240. Its totient is φ = 9735936.

The previous prime is 42597641. The next prime is 42597661. The reversal of 42597660 is 6679524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42597661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4305 + ... + 10184.

It is an arithmetic number, because the mean of its divisors is an integer number (1927170).

Almost surely, 2^42597660 is an apocalyptic number.

It is an amenable number.

42597660 is an abundant number, since it is smaller than the sum of its proper divisors (96158580).

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

42597660 is a wasteful number, since it uses less digits than its factorization.

42597660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14515 (or 14506 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 42597660 is about 6526.6882873323. The cubic root of 42597660 is about 349.2437002553.

The spelling of 42597660 in words is "forty-two million, five hundred ninety-seven thousand, six hundred sixty".