42765724 has 6 divisors (see below), whose sum is σ = 74840024. Its totient is φ = 21382860.

The previous prime is 42765721. The next prime is 42765731. The reversal of 42765724 is 42756724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42765721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5345712 + ... + 5345719.

Almost surely, 2^42765724 is an apocalyptic number.

It is an amenable number.

42765724 is a deficient number, since it is larger than the sum of its proper divisors (32074300).

42765724 is a wasteful number, since it uses less digits than its factorization.

42765724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10691435 (or 10691433 counting only the distinct ones).

The product of its digits is 94080, while the sum is 37.

The square root of 42765724 is about 6539.5507490958. The cubic root of 42765724 is about 349.7023973623.

It can be divided in two parts, 4276 and 5724, that added together give a 4-th power (10000 = 10⁴).

The spelling of 42765724 in words is "forty-two million, seven hundred sixty-five thousand, seven hundred twenty-four".