742907 has 4 divisors (see below), whose sum is σ = 810456. Its totient is φ = 675360.

The previous prime is 742897. The next prime is 742909. The reversal of 742907 is 709247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 742907 - 2⁴ = 742891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 742907.

It is not an unprimeable number, because it can be changed into a prime (742909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33758 + ... + 33779.

It is an arithmetic number, because the mean of its divisors is an integer number (202614).

2⁷⁴²⁹⁰⁷ is an apocalyptic number.

742907 is a deficient number, since it is larger than the sum of its proper divisors (67549).

742907 is a wasteful number, since it uses less digits than its factorization.

742907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67548.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 742907 is about 861.9205299794. The cubic root of 742907 is about 90.5687033629.

The spelling of 742907 in words is "seven hundred forty-two thousand, nine hundred seven".