42046736 has 10 divisors (see below), whose sum is σ = 81465582. Its totient is φ = 21023360.

The previous prime is 42046709. The next prime is 42046747. The reversal of 42046736 is 63764024.

It can be written as a sum of positive squares in only one way, i.e., 25563136 + 16483600 = 5056^2 + 4060^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1313945 + ... + 1313976.

Almost surely, 2^42046736 is an apocalyptic number.

It is an amenable number.

42046736 is a deficient number, since it is larger than the sum of its proper divisors (39418846).

42046736 is a wasteful number, since it uses less digits than its factorization.

42046736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627929 (or 2627923 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 42046736 is about 6484.3454565592. The cubic root of 42046736 is about 347.7315496953.

The spelling of 42046736 in words is "forty-two million, forty-six thousand, seven hundred thirty-six".