7397742 has 16 divisors (see below), whose sum is σ = 16140672. Its totient is φ = 2241720.

The previous prime is 7397729. The next prime is 7397749. The reversal of 7397742 is 2477937.

7397742 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7397742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7397749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55978 + ... + 56109.

It is an arithmetic number, because the mean of its divisors is an integer number (1008792).

Almost surely, 2^7397742 is an apocalyptic number.

7397742 is an abundant number, since it is smaller than the sum of its proper divisors (8742930).

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

7397742 is a wasteful number, since it uses less digits than its factorization.

7397742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112103.

The product of its digits is 74088, while the sum is 39.

The square root of 7397742 is about 2719.8790414281. The cubic root of 7397742 is about 194.8496935091.

Adding to 7397742 its sum of digits (39), we get a triangular number (7397781 = T₃₈₄₆).

The spelling of 7397742 in words is "seven million, three hundred ninety-seven thousand, seven hundred forty-two".