742351608 has 32 divisors (see below), whose sum is σ = 2062088400. Its totient is φ = 247450464.

The previous prime is 742351607. The next prime is 742351619. The reversal of 742351608 is 806153247.

742351608 is a `hidden beast` number, since 7 + 42 + 3 + 5 + 1 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742351607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718191 + ... + 1718622.

Almost surely, 2^742351608 is an apocalyptic number.

It is an amenable number.

742351608 is an abundant number, since it is smaller than the sum of its proper divisors (1319736792).

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

742351608 is a wasteful number, since it uses less digits than its factorization.

742351608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436828 (or 3436818 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 742351608 is about 27246.1301472338. The cubic root of 742351608 is about 905.4612822972.

The spelling of 742351608 in words is "seven hundred forty-two million, three hundred fifty-one thousand, six hundred eight".