742513738 has 16 divisors (see below), whose sum is σ = 1202273280. Its totient is φ = 342869296.

The previous prime is 742513703. The next prime is 742513741. The reversal of 742513738 is 837315247.

It is a happy number.

It is a super-2 number, since 2×742513738² = 1102653302237465288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 742513738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276970 + ... + 279637.

It is an arithmetic number, because the mean of its divisors is an integer number (75142080).

Almost surely, 2^742513738 is an apocalyptic number.

742513738 is a deficient number, since it is larger than the sum of its proper divisors (459759542).

742513738 is a wasteful number, since it uses less digits than its factorization.

742513738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556661.

The product of its digits is 141120, while the sum is 40.

The square root of 742513738 is about 27249.1052697148. The cubic root of 742513738 is about 905.5271952465.

The spelling of 742513738 in words is "seven hundred forty-two million, five hundred thirteen thousand, seven hundred thirty-eight".