38402074 has 4 divisors (see below), whose sum is σ = 57603114. Its totient is φ = 19201036.

The previous prime is 38402071. The next prime is 38402093. The reversal of 38402074 is 47020483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32569849 + 5832225 = 5707^2 + 2415^2 .

It is not an unprimeable number, because it can be changed into a prime (38402071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9600517 + ... + 9600520.

Almost surely, 2^38402074 is an apocalyptic number.

38402074 is a deficient number, since it is larger than the sum of its proper divisors (19201040).

38402074 is a wasteful number, since it uses less digits than its factorization.

38402074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19201039.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 38402074 is about 6196.9406968278. The cubic root of 38402074 is about 337.3791398980.

The spelling of 38402074 in words is "thirty-eight million, four hundred two thousand, seventy-four".