742380586 has 4 divisors (see below), whose sum is σ = 1113570882. Its totient is φ = 371190292.

The previous prime is 742380577. The next prime is 742380589. The reversal of 742380586 is 685083247.

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

It can be written as a sum of positive squares in only one way, i.e., 386869561 + 355511025 = 19669^2 + 18855^2 .

It is a super-2 number, since 2×742380586² = 1102257868939406792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (742380589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185595145 + ... + 185595148.

Almost surely, 2^742380586 is an apocalyptic number.

742380586 is a deficient number, since it is larger than the sum of its proper divisors (371190296).

742380586 is a wasteful number, since it uses less digits than its factorization.

742380586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371190295.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 742380586 is about 27246.6619239862. The cubic root of 742380586 is about 905.4730638283.

The spelling of 742380586 in words is "seven hundred forty-two million, three hundred eighty thousand, five hundred eighty-six".