742835073 has 16 divisors (see below), whose sum is σ = 1002859520. Its totient is φ = 489044304.

The previous prime is 742835069. The next prime is 742835123. The reversal of 742835073 is 370538247.

It is not a de Polignac number, because 742835073 - 2² = 742835069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742835033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113940 + ... + 120282.

It is an arithmetic number, because the mean of its divisors is an integer number (62678720).

Almost surely, 2^742835073 is an apocalyptic number.

It is an amenable number.

742835073 is a deficient number, since it is larger than the sum of its proper divisors (260024447).

742835073 is a wasteful number, since it uses less digits than its factorization.

742835073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6828.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 742835073 is about 27255.0008805724. Note that the first 3 decimals coincide. The cubic root of 742835073 is about 905.6578036566.

The spelling of 742835073 in words is "seven hundred forty-two million, eight hundred thirty-five thousand, seventy-three".