377970745 has 4 divisors (see below), whose sum is σ = 453564900. Its totient is φ = 302376592.

The previous prime is 377970739. The next prime is 377970751. The reversal of 377970745 is 547079773.

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

It is an interprime number because it is at equal distance from previous prime (377970739) and next prime (377970751).

It can be written as a sum of positive squares in 2 ways, for example, as 262537209 + 115433536 = 16203^2 + 10744^2 .

It is a cyclic number.

It is not a de Polignac number, because 377970745 - 2⁷ = 377970617 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37797070 + ... + 37797079.

It is an arithmetic number, because the mean of its divisors is an integer number (113391225).

Almost surely, 2^377970745 is an apocalyptic number.

It is an amenable number.

377970745 is a deficient number, since it is larger than the sum of its proper divisors (75594155).

377970745 is an equidigital number, since it uses as much as digits as its factorization.

377970745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75594154.

The product of its (nonzero) digits is 1296540, while the sum is 49.

The square root of 377970745 is about 19441.4697232488. The cubic root of 377970745 is about 723.0240256729.

The spelling of 377970745 in words is "three hundred seventy-seven million, nine hundred seventy thousand, seven hundred forty-five".