7738042 has 8 divisors (see below), whose sum is σ = 12499956. Its totient is φ = 3571392.

The previous prime is 7738037. The next prime is 7738061. The reversal of 7738042 is 2408377.

It can be written as a sum of positive squares in 2 ways, for example, as 7623121 + 114921 = 2761^2 + 339^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 7737995 and 7738013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148783 + ... + 148834.

Almost surely, 2^7738042 is an apocalyptic number.

7738042 is a deficient number, since it is larger than the sum of its proper divisors (4761914).

7738042 is a wasteful number, since it uses less digits than its factorization.

7738042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297632.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 7738042 is about 2781.7336321079. The cubic root of 7738042 is about 197.7927464392.

The spelling of 7738042 in words is "seven million, seven hundred thirty-eight thousand, forty-two".