742403736 has 48 divisors (see below), whose sum is σ = 2128955400. Its totient is φ = 232910592.

The previous prime is 742403713. The next prime is 742403747. The reversal of 742403736 is 637304247.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 742403736.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302046 + ... + 304493.

Almost surely, 2^742403736 is an apocalyptic number.

It is an amenable number.

742403736 is an abundant number, since it is smaller than the sum of its proper divisors (1386551664).

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

742403736 is a wasteful number, since it uses less digits than its factorization.

742403736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606568 (or 606561 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The square root of 742403736 is about 27247.0867433566. The cubic root of 742403736 is about 905.4824756601.

The spelling of 742403736 in words is "seven hundred forty-two million, four hundred three thousand, seven hundred thirty-six".