42801736 has 8 divisors (see below), whose sum is σ = 80253270. Its totient is φ = 21400864.

The previous prime is 42801697. The next prime is 42801739. The reversal of 42801736 is 63710824.

It can be written as a sum of positive squares in only one way, i.e., 34928100 + 7873636 = 5910^2 + 2806^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×42801736² = 3663977209227392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42801698 and 42801707.

It is not an unprimeable number, because it can be changed into a prime (42801739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2675101 + ... + 2675116.

Almost surely, 2^42801736 is an apocalyptic number.

It is an amenable number.

42801736 is a deficient number, since it is larger than the sum of its proper divisors (37451534).

42801736 is a wasteful number, since it uses less digits than its factorization.

42801736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350223 (or 5350219 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 42801736 is about 6542.3035698445. The cubic root of 42801736 is about 349.8005285160.

The spelling of 42801736 in words is "forty-two million, eight hundred one thousand, seven hundred thirty-six".