38707742 has 16 divisors (see below), whose sum is σ = 61799760. Its totient is φ = 18119808.

The previous prime is 38707741. The next prime is 38707751. The reversal of 38707742 is 24770783.

It is a junction number, because it is equal to n+sod(n) for n = 38707696 and 38707705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38707741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3809 + ... + 9587.

It is an arithmetic number, because the mean of its divisors is an integer number (3862485).

Almost surely, 2^38707742 is an apocalyptic number.

38707742 is a deficient number, since it is larger than the sum of its proper divisors (23092018).

38707742 is a wasteful number, since it uses less digits than its factorization.

38707742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5995.

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 38707742 is about 6221.5546288689. The cubic root of 38707742 is about 338.2719180156.

The spelling of 38707742 in words is "thirty-eight million, seven hundred seven thousand, seven hundred forty-two".