42905701 has 4 divisors (see below), whose sum is σ = 43903552. Its totient is φ = 41907852.

The previous prime is 42905683. The next prime is 42905713. The reversal of 42905701 is 10750924.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42905701 - 2⁷ = 42905573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42905701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42905791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498861 + ... + 498946.

It is an arithmetic number, because the mean of its divisors is an integer number (10975888).

Almost surely, 2^42905701 is an apocalyptic number.

It is an amenable number.

42905701 is a deficient number, since it is larger than the sum of its proper divisors (997851).

42905701 is an equidigital number, since it uses as much as digits as its factorization.

42905701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997850.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 42905701 is about 6550.2443465874. The cubic root of 42905701 is about 350.0835202041.

The spelling of 42905701 in words is "forty-two million, nine hundred five thousand, seven hundred one".