742085684 has 12 divisors (see below), whose sum is σ = 1298876964. Its totient is φ = 370977984.

The previous prime is 742085677. The next prime is 742085693. The reversal of 742085684 is 486580247.

It can be written as a sum of positive squares in 2 ways, for example, as 690533284 + 51552400 = 26278^2 + 7180^2 .

It is a super-3 number, since 3×742085684³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17162 + ... + 42174.

It is an arithmetic number, because the mean of its divisors is an integer number (108239747).

Almost surely, 2^742085684 is an apocalyptic number.

It is an amenable number.

742085684 is a deficient number, since it is larger than the sum of its proper divisors (556791280).

742085684 is a wasteful number, since it uses less digits than its factorization.

742085684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32434 (or 32432 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 742085684 is about 27241.2496776488. The cubic root of 742085684 is about 905.3531517563.

The spelling of 742085684 in words is "seven hundred forty-two million, eighty-five thousand, six hundred eighty-four".