42657602 has 8 divisors (see below), whose sum is σ = 68908476. Its totient is φ = 19688112.

The previous prime is 42657599. The next prime is 42657647. The reversal of 42657602 is 20675624.

It can be written as a sum of positive squares in 2 ways, for example, as 42367081 + 290521 = 6509^2 + 539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820313 + ... + 820364.

Almost surely, 2^42657602 is an apocalyptic number.

42657602 is a deficient number, since it is larger than the sum of its proper divisors (26250874).

42657602 is a wasteful number, since it uses less digits than its factorization.

42657602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640692.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 42657602 is about 6531.2787415636. The cubic root of 42657602 is about 349.4074381552.

The spelling of 42657602 in words is "forty-two million, six hundred fifty-seven thousand, six hundred two".