38077745 has 4 divisors (see below), whose sum is σ = 45693300. Its totient is φ = 30462192.

The previous prime is 38077727. The next prime is 38077771. The reversal of 38077745 is 54777083.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16908544 + 21169201 = 4112^2 + 4601^2 .

It is a cyclic number.

It is not a de Polignac number, because 38077745 - 2¹² = 38073649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3807770 + ... + 3807779.

It is an arithmetic number, because the mean of its divisors is an integer number (11423325).

Almost surely, 2^38077745 is an apocalyptic number.

It is an amenable number.

38077745 is a deficient number, since it is larger than the sum of its proper divisors (7615555).

38077745 is an equidigital number, since it uses as much as digits as its factorization.

38077745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615554.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 38077745 is about 6170.7167330870. The cubic root of 38077745 is about 336.4266623713.

It can be divided in two parts, 380 and 77745, that added together give a 7-th power (78125 = 5⁷).

The spelling of 38077745 in words is "thirty-eight million, seventy-seven thousand, seven hundred forty-five".