7378635442 has 4 divisors (see below), whose sum is σ = 11067953166. Its totient is φ = 3689317720.

The previous prime is 7378635437. The next prime is 7378635493. The reversal of 7378635442 is 2445368737.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2445368737 = 7 ⋅349338391.

It can be written as a sum of positive squares in only one way, i.e., 5133865801 + 2244769641 = 71651^2 + 47379^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1844658859 + ... + 1844658862.

Almost surely, 2^7378635442 is an apocalyptic number.

7378635442 is a deficient number, since it is larger than the sum of its proper divisors (3689317724).

7378635442 is a wasteful number, since it uses less digits than its factorization.

7378635442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689317723.

The product of its digits is 3386880, while the sum is 49.

The square root of 7378635442 is about 85898.9839404402. The cubic root of 7378635442 is about 1946.8179918421.

The spelling of 7378635442 in words is "seven billion, three hundred seventy-eight million, six hundred thirty-five thousand, four hundred forty-two".