38700045 has 32 divisors (see below), whose sum is σ = 69062400. Its totient is φ = 20561472.

The previous prime is 38700031. The next prime is 38700049. The reversal of 38700045 is 54000783.

It is not a de Polignac number, because 38700045 - 2⁷ = 38699917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 38699991 and 38700018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38700049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58939 + ... + 59591.

It is an arithmetic number, because the mean of its divisors is an integer number (2158200).

Almost surely, 2^38700045 is an apocalyptic number.

It is an amenable number.

38700045 is a deficient number, since it is larger than the sum of its proper divisors (30362355).

38700045 is a wasteful number, since it uses less digits than its factorization.

38700045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 38700045 is about 6220.9360228184. The cubic root of 38700045 is about 338.2494948395.

The spelling of 38700045 in words is "thirty-eight million, seven hundred thousand, forty-five".