387074741 has 4 divisors (see below), whose sum is σ = 394378092. Its totient is φ = 379771392.

The previous prime is 387074719. The next prime is 387074749. The reversal of 387074741 is 147470783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 147470783 = 251 ⋅587533.

It can be written as a sum of positive squares in 2 ways, for example, as 138886225 + 248188516 = 11785^2 + 15754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-387074741 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387074749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3651596 + ... + 3651701.

It is an arithmetic number, because the mean of its divisors is an integer number (98594523).

Almost surely, 2^387074741 is an apocalyptic number.

It is an amenable number.

387074741 is a deficient number, since it is larger than the sum of its proper divisors (7303351).

387074741 is an equidigital number, since it uses as much as digits as its factorization.

387074741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7303350.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 387074741 is about 19674.2151304696. The cubic root of 387074741 is about 728.7830735029.

The spelling of 387074741 in words is "three hundred eighty-seven million, seventy-four thousand, seven hundred forty-one".