387074742 has 16 divisors (see below), whose sum is σ = 799122432. Its totient is φ = 124862760.

The previous prime is 387074719. The next prime is 387074749. The reversal of 387074742 is 247470783.

It is a junction number, because it is equal to n+sod(n) for n = 387074694 and 387074703.

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 7 ways as a sum of consecutive naturals, for example, 1040338 + ... + 1040709.

It is an arithmetic number, because the mean of its divisors is an integer number (49945152).

Almost surely, 2^387074742 is an apocalyptic number.

387074742 is an abundant number, since it is smaller than the sum of its proper divisors (412047690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387074742 is a wasteful number, since it uses less digits than its factorization.

387074742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081083.

The product of its (nonzero) digits is 263424, while the sum is 42.

The square root of 387074742 is about 19674.2151558836. The cubic root of 387074742 is about 728.7830741305.

The spelling of 387074742 in words is "three hundred eighty-seven million, seventy-four thousand, seven hundred forty-two".