3751942 has 4 divisors (see below), whose sum is σ = 5627916. Its totient is φ = 1875970.

The previous prime is 3751919. The next prime is 3752009. The reversal of 3751942 is 2491573.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2491573 = 7 ⋅355939.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 937984 + ... + 937987.

It is an arithmetic number, because the mean of its divisors is an integer number (1406979).

Almost surely, 2^3751942 is an apocalyptic number.

3751942 is a deficient number, since it is larger than the sum of its proper divisors (1875974).

3751942 is a wasteful number, since it uses less digits than its factorization.

3751942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875973.

The product of its digits is 7560, while the sum is 31.

The square root of 3751942 is about 1936.9930304469. The cubic root of 3751942 is about 155.3884395385.

The spelling of 3751942 in words is "three million, seven hundred fifty-one thousand, nine hundred forty-two".