7499942 has 4 divisors (see below), whose sum is σ = 11249916. Its totient is φ = 3749970.

The previous prime is 7499939. The next prime is 7499969. The reversal of 7499942 is 2499947.

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

It is a junction number, because it is equal to n+sod(n) for n = 7499893 and 7499902.

It is a congruent number.

It is an unprimeable number.

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, 1874984 + ... + 1874987.

It is an arithmetic number, because the mean of its divisors is an integer number (2812479).

Almost surely, 2^7499942 is an apocalyptic number.

7499942 is a deficient number, since it is larger than the sum of its proper divisors (3749974).

7499942 is a wasteful number, since it uses less digits than its factorization.

7499942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749973.

The product of its digits is 163296, while the sum is 44.

The square root of 7499942 is about 2738.6021982026. The cubic root of 7499942 is about 195.7428774742.

The spelling of 7499942 in words is "seven million, four hundred ninety-nine thousand, nine hundred forty-two".