38770545 has 64 divisors (see below), whose sum is σ = 72576000. Its totient is φ = 17475840.

The previous prime is 38770541. The next prime is 38770547. The reversal of 38770545 is 54507783.

It is not a de Polignac number, because 38770545 - 2² = 38770541 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38770541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 260131 + ... + 260279.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 2^38770545 is an apocalyptic number.

It is an amenable number.

38770545 is a deficient number, since it is larger than the sum of its proper divisors (33805455).

38770545 is a wasteful number, since it uses less digits than its factorization.

38770545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 38770545 is about 6226.5997944303. The cubic root of 38770545 is about 338.4547669828.

The spelling of 38770545 in words is "thirty-eight million, seven hundred seventy thousand, five hundred forty-five".