42800761 has 4 divisors (see below), whose sum is σ = 43844724. Its totient is φ = 41756800.

The previous prime is 42800759. The next prime is 42800767. The reversal of 42800761 is 16700824.

42800761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14017536 + 28783225 = 3744^2 + 5365^2 .

It is a cyclic number.

It is not a de Polignac number, because 42800761 - 2¹ = 42800759 is a prime.

It is a super-3 number, since 3×42800761³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42800767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521920 + ... + 522001.

It is an arithmetic number, because the mean of its divisors is an integer number (10961181).

Almost surely, 2^42800761 is an apocalyptic number.

42800761 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42800761 is a deficient number, since it is larger than the sum of its proper divisors (1043963).

42800761 is a wasteful number, since it uses less digits than its factorization.

42800761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043962.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 42800761 is about 6542.2290543820. The cubic root of 42800761 is about 349.7978724079.

The spelling of 42800761 in words is "forty-two million, eight hundred thousand, seven hundred sixty-one".