2451742 has 4 divisors (see below), whose sum is σ = 3677616. Its totient is φ = 1225870.

The previous prime is 2451733. The next prime is 2451749. The reversal of 2451742 is 2471542.

2451742 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 is a super-2 number, since 2×2451742² = 12022077669128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612934 + ... + 612937.

It is an arithmetic number, because the mean of its divisors is an integer number (919404).

2^2451742 is an apocalyptic number.

2451742 is a deficient number, since it is larger than the sum of its proper divisors (1225874).

2451742 is a wasteful number, since it uses less digits than its factorization.

2451742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225873.

The product of its digits is 2240, while the sum is 25.

The square root of 2451742 is about 1565.8039468592. The cubic root of 2451742 is about 134.8419183004.

The spelling of 2451742 in words is "two million, four hundred fifty-one thousand, seven hundred forty-two".