7423669738 has 8 divisors (see below), whose sum is σ = 11288045988. Its totient is φ = 3660987744.

The previous prime is 7423669733. The next prime is 7423669739. The reversal of 7423669738 is 8379663247.

It can be written as a sum of positive squares in 2 ways, for example, as 6479767009 + 943902729 = 80497^2 + 30723^2 .

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

It is a super-2 number, since 2×7423669738² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7423669733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25423381 + ... + 25423672.

Almost surely, 2^7423669738 is an apocalyptic number.

7423669738 is a deficient number, since it is larger than the sum of its proper divisors (3864376250).

7423669738 is a wasteful number, since it uses less digits than its factorization.

7423669738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50847128.

The product of its digits is 9144576, while the sum is 55.

The square root of 7423669738 is about 86160.7203892818. The cubic root of 7423669738 is about 1950.7706564244.

The spelling of 7423669738 in words is "seven billion, four hundred twenty-three million, six hundred sixty-nine thousand, seven hundred thirty-eight".