7491942 has 12 divisors (see below), whose sum is σ = 16232580. Its totient is φ = 2497308.

The previous prime is 7491937. The next prime is 7491943. The reversal of 7491942 is 2491947.

It is a super-2 number, since 2×7491942² = 112258389862728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7491897 and 7491906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7491943) 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 in 5 ways as a sum of consecutive naturals, for example, 208092 + ... + 208127.

It is an arithmetic number, because the mean of its divisors is an integer number (1352715).

Almost surely, 2^7491942 is an apocalyptic number.

7491942 is an abundant number, since it is smaller than the sum of its proper divisors (8740638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7491942 is a wasteful number, since it uses less digits than its factorization.

7491942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416227 (or 416224 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 7491942 is about 2737.1412093643. The cubic root of 7491942 is about 195.6732547076.

The spelling of 7491942 in words is "seven million, four hundred ninety-one thousand, nine hundred forty-two".