7491442 has 8 divisors (see below), whose sum is σ = 12842496. Its totient is φ = 3210612.

The previous prime is 7491439. The next prime is 7491457. The reversal of 7491442 is 2441947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7491442² = 112243406478728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267538 + ... + 267565.

It is an arithmetic number, because the mean of its divisors is an integer number (1605312).

Almost surely, 2^7491442 is an apocalyptic number.

7491442 is a deficient number, since it is larger than the sum of its proper divisors (5351054).

7491442 is a wasteful number, since it uses less digits than its factorization.

7491442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535112.

The product of its digits is 8064, while the sum is 31.

The square root of 7491442 is about 2737.0498716684. The cubic root of 7491442 is about 195.6689016394.

The spelling of 7491442 in words is "seven million, four hundred ninety-one thousand, four hundred forty-two".