742354685 has 8 divisors (see below), whose sum is σ = 892885560. Its totient is φ = 592510464.

The previous prime is 742354663. The next prime is 742354687. The reversal of 742354685 is 586453247.

It can be written as a sum of positive squares in 4 ways, for example, as 42276004 + 700078681 = 6502^2 + 26459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 742354685 - 2²⁴ = 725577469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742354687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169280 + ... + 173609.

It is an arithmetic number, because the mean of its divisors is an integer number (111610695).

Almost surely, 2^742354685 is an apocalyptic number.

It is an amenable number.

742354685 is a deficient number, since it is larger than the sum of its proper divisors (150530875).

742354685 is a wasteful number, since it uses less digits than its factorization.

742354685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343327.

The product of its digits is 806400, while the sum is 44.

The square root of 742354685 is about 27246.1866139098. The cubic root of 742354685 is about 905.4625333219.

The spelling of 742354685 in words is "seven hundred forty-two million, three hundred fifty-four thousand, six hundred eighty-five".