7742372 has 12 divisors (see below), whose sum is σ = 14780976. Its totient is φ = 3519240.

The previous prime is 7742353. The next prime is 7742387. The reversal of 7742372 is 2732477.

It is a super-3 number, since 3×7742372³ (a number of 22 digits) contains 333 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 87938 + ... + 88025.

It is an arithmetic number, because the mean of its divisors is an integer number (1231748).

Almost surely, 2^7742372 is an apocalyptic number.

It is an amenable number.

7742372 is a deficient number, since it is larger than the sum of its proper divisors (7038604).

7742372 is a wasteful number, since it uses less digits than its factorization.

7742372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175978 (or 175976 counting only the distinct ones).

The product of its digits is 16464, while the sum is 32.

The square root of 7742372 is about 2782.5118148896. The cubic root of 7742372 is about 197.8296327253.

The spelling of 7742372 in words is "seven million, seven hundred forty-two thousand, three hundred seventy-two".