4057742 has 16 divisors (see below), whose sum is σ = 6592320. Its totient is φ = 1862112.

The previous prime is 4057727. The next prime is 4057759. The reversal of 4057742 is 2477504.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5888 + ... + 6540.

It is an arithmetic number, because the mean of its divisors is an integer number (412020).

Almost surely, 2^4057742 is an apocalyptic number.

4057742 is a deficient number, since it is larger than the sum of its proper divisors (2534578).

4057742 is a wasteful number, since it uses less digits than its factorization.

4057742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 4057742 is about 2014.3837767417. The cubic root of 4057742 is about 159.5002898944.

The spelling of 4057742 in words is "four million, fifty-seven thousand, seven hundred forty-two".