42696650 has 12 divisors (see below), whose sum is σ = 79415862. Its totient is φ = 17078640.

The previous prime is 42696649. The next prime is 42696659. The reversal of 42696650 is 5669624.

It can be written as a sum of positive squares in 3 ways, for example, as 32501401 + 10195249 = 5701^2 + 3193^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42696659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 426917 + ... + 427016.

Almost surely, 2^42696650 is an apocalyptic number.

42696650 is a deficient number, since it is larger than the sum of its proper divisors (36719212).

42696650 is a wasteful number, since it uses less digits than its factorization.

42696650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853945 (or 853940 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 42696650 is about 6534.2673652063. The cubic root of 42696650 is about 349.5140193980.

The spelling of 42696650 in words is "forty-two million, six hundred ninety-six thousand, six hundred fifty".