742521374 has 16 divisors (see below), whose sum is σ = 1328237568. Its totient is φ = 304387512.

The previous prime is 742521343. The next prime is 742521389. The reversal of 742521374 is 473125247.

742521374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152662 + ... + 1153305.

It is an arithmetic number, because the mean of its divisors is an integer number (83014848).

Almost surely, 2^742521374 is an apocalyptic number.

742521374 is a deficient number, since it is larger than the sum of its proper divisors (585716194).

742521374 is a wasteful number, since it uses less digits than its factorization.

742521374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305999.

The product of its digits is 47040, while the sum is 35.

The square root of 742521374 is about 27249.2453840469. The cubic root of 742521374 is about 905.5302993785.

The spelling of 742521374 in words is "seven hundred forty-two million, five hundred twenty-one thousand, three hundred seventy-four".