42697012 has 12 divisors (see below), whose sum is σ = 76129956. Its totient is φ = 20945600.

The previous prime is 42697007. The next prime is 42697021. The reversal of 42697012 is 21079624.

It can be written as a sum of positive squares in 2 ways, for example, as 18352656 + 24344356 = 4284^2 + 4934^2 .

It is a congruent number.

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, 100489 + ... + 100912.

It is an arithmetic number, because the mean of its divisors is an integer number (6344163).

Almost surely, 2^42697012 is an apocalyptic number.

It is an amenable number.

42697012 is a deficient number, since it is larger than the sum of its proper divisors (33432944).

42697012 is a wasteful number, since it uses less digits than its factorization.

42697012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201458 (or 201456 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 42697012 is about 6534.2950652691. The cubic root of 42697012 is about 349.5150071704.

The spelling of 42697012 in words is "forty-two million, six hundred ninety-seven thousand, twelve".