38746742 has 4 divisors (see below), whose sum is σ = 58120116. Its totient is φ = 19373370.

The previous prime is 38746739. The next prime is 38746769. The reversal of 38746742 is 24764783.

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

It is a super-2 number, since 2×38746742² = 3002620031229128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38746742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9686684 + ... + 9686687.

It is an arithmetic number, because the mean of its divisors is an integer number (14530029).

Almost surely, 2^38746742 is an apocalyptic number.

38746742 is a deficient number, since it is larger than the sum of its proper divisors (19373374).

38746742 is a wasteful number, since it uses less digits than its factorization.

38746742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19373373.

The product of its digits is 225792, while the sum is 41.

The square root of 38746742 is about 6224.6881046362. The cubic root of 38746742 is about 338.3854885475.

The spelling of 38746742 in words is "thirty-eight million, seven hundred forty-six thousand, seven hundred forty-two".